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Finding the Fourth Proportional to 652,310.80, 978,466.20 and 558,998.80

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Solution

The fourth proportional to 652,310.80, 978,466.20 and 558,998.80 is: 838,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,310.80 : 978,466.20 = 558,998.80 : x
  2. Step 2: Convert to fraction form
    652,310.80/978,466.20 = 558,998.80/x
  3. Step 3: Cross multiply
    652,310.80x = 978,466.20 × 558,998.80
  4. Step 4: Simplify right side
    652,310.80x = 546,961,431,640.56
  5. Step 5: Solve for x
    x = 546,961,431,640.56/652,310.80
  6. Step 6: Final answer
    x = 838,498.20

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Similar ratio
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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.