Home / 724,714.89-1,000,073.16-402,445.59

Finding the Fourth Proportional to 724,714.89, 1,000,073.16 and 402,445.59

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Solution

The fourth proportional to 724,714.89, 1,000,073.16 and 402,445.59 is: 555,356.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,714.89 : 1,000,073.16 = 402,445.59 : x
  2. Step 2: Convert to fraction form
    724,714.89/1,000,073.16 = 402,445.59/x
  3. Step 3: Cross multiply
    724,714.89x = 1,000,073.16 × 402,445.59
  4. Step 4: Simplify right side
    724,714.89x = 402,475,032,919.36
  5. Step 5: Solve for x
    x = 402,475,032,919.36/724,714.89
  6. Step 6: Final answer
    x = 555,356.37

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.