Home / 781,857.68-1,079,065.26-437,824.62

Finding the Fourth Proportional to 781,857.68, 1,079,065.26 and 437,824.62

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Solution

The fourth proportional to 781,857.68, 1,079,065.26 and 437,824.62 is: 604,254.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,857.68 : 1,079,065.26 = 437,824.62 : x
  2. Step 2: Convert to fraction form
    781,857.68/1,079,065.26 = 437,824.62/x
  3. Step 3: Cross multiply
    781,857.68x = 1,079,065.26 × 437,824.62
  4. Step 4: Simplify right side
    781,857.68x = 472,441,337,414.70
  5. Step 5: Solve for x
    x = 472,441,337,414.70/781,857.68
  6. Step 6: Final answer
    x = 604,254.91

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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.