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Finding the Fourth Proportional to 564,048.40, 846,072.60 and 539,165.20

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Solution

The fourth proportional to 564,048.40, 846,072.60 and 539,165.20 is: 808,747.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,048.40 : 846,072.60 = 539,165.20 : x
  2. Step 2: Convert to fraction form
    564,048.40/846,072.60 = 539,165.20/x
  3. Step 3: Cross multiply
    564,048.40x = 846,072.60 × 539,165.20
  4. Step 4: Simplify right side
    564,048.40x = 456,172,902,593.52
  5. Step 5: Solve for x
    x = 456,172,902,593.52/564,048.40
  6. Step 6: Final answer
    x = 808,747.80

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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.