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Finding the Fourth Proportional to 538,737.08, 808,105.59 and 511,798.28

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Solution

The fourth proportional to 538,737.08, 808,105.59 and 511,798.28 is: 767,697.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,737.08 : 808,105.59 = 511,798.28 : x
  2. Step 2: Convert to fraction form
    538,737.08/808,105.59 = 511,798.28/x
  3. Step 3: Cross multiply
    538,737.08x = 808,105.59 × 511,798.28
  4. Step 4: Simplify right side
    538,737.08x = 413,587,051,020.39
  5. Step 5: Solve for x
    x = 413,587,051,020.39/538,737.08
  6. Step 6: Final answer
    x = 767,697.39

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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.