Home / 905,129.46-1,248,939.93-523,082.52

Finding the Fourth Proportional to 905,129.46, 1,248,939.93 and 523,082.52

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Solution

The fourth proportional to 905,129.46, 1,248,939.93 and 523,082.52 is: 721,773.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,129.46 : 1,248,939.93 = 523,082.52 : x
  2. Step 2: Convert to fraction form
    905,129.46/1,248,939.93 = 523,082.52/x
  3. Step 3: Cross multiply
    905,129.46x = 1,248,939.93 × 523,082.52
  4. Step 4: Simplify right side
    905,129.46x = 653,298,645,913.02
  5. Step 5: Solve for x
    x = 653,298,645,913.02/905,129.46
  6. Step 6: Final answer
    x = 721,773.71

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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.