Home / 1,007,455.40-1,511,183.10-333,640.70

Finding the Fourth Proportional to 1,007,455.40, 1,511,183.10 and 333,640.70

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Solution

The fourth proportional to 1,007,455.40, 1,511,183.10 and 333,640.70 is: 500,461.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,455.40 : 1,511,183.10 = 333,640.70 : x
  2. Step 2: Convert to fraction form
    1,007,455.40/1,511,183.10 = 333,640.70/x
  3. Step 3: Cross multiply
    1,007,455.40x = 1,511,183.10 × 333,640.70
  4. Step 4: Simplify right side
    1,007,455.40x = 504,192,187,312.17
  5. Step 5: Solve for x
    x = 504,192,187,312.17/1,007,455.40
  6. Step 6: Final answer
    x = 500,461.05

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.