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Finding the Fourth Proportional to 532,038.28, 798,049 and 247,569.72

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Solution

The fourth proportional to 532,038.28, 798,049 and 247,569.72 is: 371,350.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,038.28 : 798,049 = 247,569.72 : x
  2. Step 2: Convert to fraction form
    532,038.28/798,049 = 247,569.72/x
  3. Step 3: Cross multiply
    532,038.28x = 798,049 × 247,569.72
  4. Step 4: Simplify right side
    532,038.28x = 197,572,767,476.28
  5. Step 5: Solve for x
    x = 197,572,767,476.28/532,038.28
  6. Step 6: Final answer
    x = 371,350.66

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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.