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Finding the Fourth Proportional to 391,007.34, 586,141.21 and 294,795.29

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Solution

The fourth proportional to 391,007.34, 586,141.21 and 294,795.29 is: 441,914.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,007.34 : 586,141.21 = 294,795.29 : x
  2. Step 2: Convert to fraction form
    391,007.34/586,141.21 = 294,795.29/x
  3. Step 3: Cross multiply
    391,007.34x = 586,141.21 × 294,795.29
  4. Step 4: Simplify right side
    391,007.34x = 172,791,668,168.23
  5. Step 5: Solve for x
    x = 172,791,668,168.23/391,007.34
  6. Step 6: Final answer
    x = 441,914.13

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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.