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Finding the Fourth Proportional to 704,529, 972,250.02 and 402,729.48

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Solution

The fourth proportional to 704,529, 972,250.02 and 402,729.48 is: 555,766.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,529 : 972,250.02 = 402,729.48 : x
  2. Step 2: Convert to fraction form
    704,529/972,250.02 = 402,729.48/x
  3. Step 3: Cross multiply
    704,529x = 972,250.02 × 402,729.48
  4. Step 4: Simplify right side
    704,529x = 391,553,744,984.59
  5. Step 5: Solve for x
    x = 391,553,744,984.59/704,529
  6. Step 6: Final answer
    x = 555,766.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.