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Finding the Fourth Proportional to 659,925.31, 910,696.92 and 358,119.31

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Solution

The fourth proportional to 659,925.31, 910,696.92 and 358,119.31 is: 494,204.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,925.31 : 910,696.92 = 358,119.31 : x
  2. Step 2: Convert to fraction form
    659,925.31/910,696.92 = 358,119.31/x
  3. Step 3: Cross multiply
    659,925.31x = 910,696.92 × 358,119.31
  4. Step 4: Simplify right side
    659,925.31x = 326,138,152,609.53
  5. Step 5: Solve for x
    x = 326,138,152,609.53/659,925.31
  6. Step 6: Final answer
    x = 494,204.64

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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.