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Finding the Fourth Proportional to 652,147.60, 978,221.40 and 596,160.40

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Solution

The fourth proportional to 652,147.60, 978,221.40 and 596,160.40 is: 894,240.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,147.60 : 978,221.40 = 596,160.40 : x
  2. Step 2: Convert to fraction form
    652,147.60/978,221.40 = 596,160.40/x
  3. Step 3: Cross multiply
    652,147.60x = 978,221.40 × 596,160.40
  4. Step 4: Simplify right side
    652,147.60x = 583,176,861,112.56
  5. Step 5: Solve for x
    x = 583,176,861,112.56/652,147.60
  6. Step 6: Final answer
    x = 894,240.60

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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.