Home / 914,309.71-1,261,691.93-506,387.13

Finding the Fourth Proportional to 914,309.71, 1,261,691.93 and 506,387.13

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Solution

The fourth proportional to 914,309.71, 1,261,691.93 and 506,387.13 is: 698,783.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,309.71 : 1,261,691.93 = 506,387.13 : x
  2. Step 2: Convert to fraction form
    914,309.71/1,261,691.93 = 506,387.13/x
  3. Step 3: Cross multiply
    914,309.71x = 1,261,691.93 × 506,387.13
  4. Step 4: Simplify right side
    914,309.71x = 638,904,555,376.86
  5. Step 5: Solve for x
    x = 638,904,555,376.86/914,309.71
  6. Step 6: Final answer
    x = 698,783.52

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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.