Home / 497,584.89-686,641.22-282,695.13

Finding the Fourth Proportional to 497,584.89, 686,641.22 and 282,695.13

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Solution

The fourth proportional to 497,584.89, 686,641.22 and 282,695.13 is: 390,104.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,584.89 : 686,641.22 = 282,695.13 : x
  2. Step 2: Convert to fraction form
    497,584.89/686,641.22 = 282,695.13/x
  3. Step 3: Cross multiply
    497,584.89x = 686,641.22 × 282,695.13
  4. Step 4: Simplify right side
    497,584.89x = 194,110,128,951.26
  5. Step 5: Solve for x
    x = 194,110,128,951.26/497,584.89
  6. Step 6: Final answer
    x = 390,104.55

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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.