Home / 513,862.17-771,059.03-372,869.87

Finding the Fourth Proportional to 513,862.17, 771,059.03 and 372,869.87

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Solution

The fourth proportional to 513,862.17, 771,059.03 and 372,869.87 is: 559,497.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,862.17 : 771,059.03 = 372,869.87 : x
  2. Step 2: Convert to fraction form
    513,862.17/771,059.03 = 372,869.87/x
  3. Step 3: Cross multiply
    513,862.17x = 771,059.03 × 372,869.87
  4. Step 4: Simplify right side
    513,862.17x = 287,504,680,278.43
  5. Step 5: Solve for x
    x = 287,504,680,278.43/513,862.17
  6. Step 6: Final answer
    x = 559,497.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.