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Finding the Fourth Proportional to 537,976.60, 807,548.10 and 338,522.20

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Solution

The fourth proportional to 537,976.60, 807,548.10 and 338,522.20 is: 508,150.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,976.60 : 807,548.10 = 338,522.20 : x
  2. Step 2: Convert to fraction form
    537,976.60/807,548.10 = 338,522.20/x
  3. Step 3: Cross multiply
    537,976.60x = 807,548.10 × 338,522.20
  4. Step 4: Simplify right side
    537,976.60x = 273,372,959,417.82
  5. Step 5: Solve for x
    x = 273,372,959,417.82/537,976.60
  6. Step 6: Final answer
    x = 508,150.28

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1.5x scale

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.