Home / 721,159.92-994,296.66-462,581.28

Finding the Fourth Proportional to 721,159.92, 994,296.66 and 462,581.28

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Solution

The fourth proportional to 721,159.92, 994,296.66 and 462,581.28 is: 637,782.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,159.92 : 994,296.66 = 462,581.28 : x
  2. Step 2: Convert to fraction form
    721,159.92/994,296.66 = 462,581.28/x
  3. Step 3: Cross multiply
    721,159.92x = 994,296.66 × 462,581.28
  4. Step 4: Simplify right side
    721,159.92x = 459,943,021,682.53
  5. Step 5: Solve for x
    x = 459,943,021,682.53/721,159.92
  6. Step 6: Final answer
    x = 637,782.29

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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.