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Finding the Fourth Proportional to 652,503.20, 978,754.80 and 601,327.40

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Solution

The fourth proportional to 652,503.20, 978,754.80 and 601,327.40 is: 901,991.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,503.20 : 978,754.80 = 601,327.40 : x
  2. Step 2: Convert to fraction form
    652,503.20/978,754.80 = 601,327.40/x
  3. Step 3: Cross multiply
    652,503.20x = 978,754.80 × 601,327.40
  4. Step 4: Simplify right side
    652,503.20x = 588,552,079,121.52
  5. Step 5: Solve for x
    x = 588,552,079,121.52/652,503.20
  6. Step 6: Final answer
    x = 901,991.10

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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.