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Finding the Fourth Proportional to 539,860.60, 808,092.78 and 370,389.97

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Solution

The fourth proportional to 539,860.60, 808,092.78 and 370,389.97 is: 554,419.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,860.60 : 808,092.78 = 370,389.97 : x
  2. Step 2: Convert to fraction form
    539,860.60/808,092.78 = 370,389.97/x
  3. Step 3: Cross multiply
    539,860.60x = 808,092.78 × 370,389.97
  4. Step 4: Simplify right side
    539,860.60x = 299,309,460,541.42
  5. Step 5: Solve for x
    x = 299,309,460,541.42/539,860.60
  6. Step 6: Final answer
    x = 554,419.90

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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.