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Finding the Fourth Proportional to 652,597.70, 978,604.95 and 253,105.70

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Solution

The fourth proportional to 652,597.70, 978,604.95 and 253,105.70 is: 379,545.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,597.70 : 978,604.95 = 253,105.70 : x
  2. Step 2: Convert to fraction form
    652,597.70/978,604.95 = 253,105.70/x
  3. Step 3: Cross multiply
    652,597.70x = 978,604.95 × 253,105.70
  4. Step 4: Simplify right side
    652,597.70x = 247,690,490,893.22
  5. Step 5: Solve for x
    x = 247,690,490,893.22/652,597.70
  6. Step 6: Final answer
    x = 379,545.45

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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.