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Finding the Fourth Proportional to 693,117, 956,504.34 and 375,165

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Solution

The fourth proportional to 693,117, 956,504.34 and 375,165 is: 517,729.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,117 : 956,504.34 = 375,165 : x
  2. Step 2: Convert to fraction form
    693,117/956,504.34 = 375,165/x
  3. Step 3: Cross multiply
    693,117x = 956,504.34 × 375,165
  4. Step 4: Simplify right side
    693,117x = 358,846,950,716.10
  5. Step 5: Solve for x
    x = 358,846,950,716.10/693,117
  6. Step 6: Final answer
    x = 517,729.26

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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.