Home / 721,043.79-1,086,433.28-597,434.55

Finding the Fourth Proportional to 721,043.79, 1,086,433.28 and 597,434.55

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Solution

The fourth proportional to 721,043.79, 1,086,433.28 and 597,434.55 is: 900,184.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,043.79 : 1,086,433.28 = 597,434.55 : x
  2. Step 2: Convert to fraction form
    721,043.79/1,086,433.28 = 597,434.55/x
  3. Step 3: Cross multiply
    721,043.79x = 1,086,433.28 × 597,434.55
  4. Step 4: Simplify right side
    721,043.79x = 649,072,779,235.41
  5. Step 5: Solve for x
    x = 649,072,779,235.41/721,043.79
  6. Step 6: Final answer
    x = 900,184.97

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.