Home / 993,624.40-1,490,436.60-362,456.20

Finding the Fourth Proportional to 993,624.40, 1,490,436.60 and 362,456.20

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Solution

The fourth proportional to 993,624.40, 1,490,436.60 and 362,456.20 is: 543,684.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,624.40 : 1,490,436.60 = 362,456.20 : x
  2. Step 2: Convert to fraction form
    993,624.40/1,490,436.60 = 362,456.20/x
  3. Step 3: Cross multiply
    993,624.40x = 1,490,436.60 × 362,456.20
  4. Step 4: Simplify right side
    993,624.40x = 540,217,986,376.92
  5. Step 5: Solve for x
    x = 540,217,986,376.92/993,624.40
  6. Step 6: Final answer
    x = 543,684.30

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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.