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Finding the Fourth Proportional to 693,156, 956,555.28 and 375,204

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Solution

The fourth proportional to 693,156, 956,555.28 and 375,204 is: 517,781.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,156 : 956,555.28 = 375,204 : x
  2. Step 2: Convert to fraction form
    693,156/956,555.28 = 375,204/x
  3. Step 3: Cross multiply
    693,156x = 956,555.28 × 375,204
  4. Step 4: Simplify right side
    693,156x = 358,903,367,277.12
  5. Step 5: Solve for x
    x = 358,903,367,277.12/693,156
  6. Step 6: Final answer
    x = 517,781.52

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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.