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Finding the Fourth Proportional to 539,862.60, 808,095.78 and 370,391.97

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Solution

The fourth proportional to 539,862.60, 808,095.78 and 370,391.97 is: 554,422.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,862.60 : 808,095.78 = 370,391.97 : x
  2. Step 2: Convert to fraction form
    539,862.60/808,095.78 = 370,391.97/x
  3. Step 3: Cross multiply
    539,862.60x = 808,095.78 × 370,391.97
  4. Step 4: Simplify right side
    539,862.60x = 299,312,187,902.89
  5. Step 5: Solve for x
    x = 299,312,187,902.89/539,862.60
  6. Step 6: Final answer
    x = 554,422.90

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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.