Home / 506,327.28-698,729.82-285,547.02

Finding the Fourth Proportional to 506,327.28, 698,729.82 and 285,547.02

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Solution

The fourth proportional to 506,327.28, 698,729.82 and 285,547.02 is: 394,053.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,327.28 : 698,729.82 = 285,547.02 : x
  2. Step 2: Convert to fraction form
    506,327.28/698,729.82 = 285,547.02/x
  3. Step 3: Cross multiply
    506,327.28x = 698,729.82 × 285,547.02
  4. Step 4: Simplify right side
    506,327.28x = 199,520,217,886.14
  5. Step 5: Solve for x
    x = 199,520,217,886.14/506,327.28
  6. Step 6: Final answer
    x = 394,053.86

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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.