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Finding the Fourth Proportional to 674,829.92, 931,267.17 and 368,910

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Solution

The fourth proportional to 674,829.92, 931,267.17 and 368,910 is: 509,096.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,829.92 : 931,267.17 = 368,910 : x
  2. Step 2: Convert to fraction form
    674,829.92/931,267.17 = 368,910/x
  3. Step 3: Cross multiply
    674,829.92x = 931,267.17 × 368,910
  4. Step 4: Simplify right side
    674,829.92x = 343,553,771,684.70
  5. Step 5: Solve for x
    x = 343,553,771,684.70/674,829.92
  6. Step 6: Final answer
    x = 509,096.83

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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.