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Finding the Fourth Proportional to 644,670.30, 965,037.15 and 502,952.70

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Solution

The fourth proportional to 644,670.30, 965,037.15 and 502,952.70 is: 752,893.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,670.30 : 965,037.15 = 502,952.70 : x
  2. Step 2: Convert to fraction form
    644,670.30/965,037.15 = 502,952.70/x
  3. Step 3: Cross multiply
    644,670.30x = 965,037.15 × 502,952.70
  4. Step 4: Simplify right side
    644,670.30x = 485,368,040,192.81
  5. Step 5: Solve for x
    x = 485,368,040,192.81/644,670.30
  6. Step 6: Final answer
    x = 752,893.44

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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.