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Finding the Fourth Proportional to 558,601.80, 837,902.70 and 359,147.40

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Solution

The fourth proportional to 558,601.80, 837,902.70 and 359,147.40 is: 538,721.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,601.80 : 837,902.70 = 359,147.40 : x
  2. Step 2: Convert to fraction form
    558,601.80/837,902.70 = 359,147.40/x
  3. Step 3: Cross multiply
    558,601.80x = 837,902.70 × 359,147.40
  4. Step 4: Simplify right side
    558,601.80x = 300,930,576,157.98
  5. Step 5: Solve for x
    x = 300,930,576,157.98/558,601.80
  6. Step 6: Final answer
    x = 538,721.10

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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.