Home / 711,951.26-1,068,098.20-291,228.36

Finding the Fourth Proportional to 711,951.26, 1,068,098.20 and 291,228.36

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Solution

The fourth proportional to 711,951.26, 1,068,098.20 and 291,228.36 is: 436,912.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,951.26 : 1,068,098.20 = 291,228.36 : x
  2. Step 2: Convert to fraction form
    711,951.26/1,068,098.20 = 291,228.36/x
  3. Step 3: Cross multiply
    711,951.26x = 1,068,098.20 × 291,228.36
  4. Step 4: Simplify right side
    711,951.26x = 311,060,487,104.95
  5. Step 5: Solve for x
    x = 311,060,487,104.95/711,951.26
  6. Step 6: Final answer
    x = 436,912.62

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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.