Home / 672,220.71-1,007,597.48-330,899.04

Finding the Fourth Proportional to 672,220.71, 1,007,597.48 and 330,899.04

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Solution

The fourth proportional to 672,220.71, 1,007,597.48 and 330,899.04 is: 495,987.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,220.71 : 1,007,597.48 = 330,899.04 : x
  2. Step 2: Convert to fraction form
    672,220.71/1,007,597.48 = 330,899.04/x
  3. Step 3: Cross multiply
    672,220.71x = 1,007,597.48 × 330,899.04
  4. Step 4: Simplify right side
    672,220.71x = 333,413,037,183.92
  5. Step 5: Solve for x
    x = 333,413,037,183.92/672,220.71
  6. Step 6: Final answer
    x = 495,987.45

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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.