Home / 834,907.28-1,251,581.81-329,472.45

Finding the Fourth Proportional to 834,907.28, 1,251,581.81 and 329,472.45

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Solution

The fourth proportional to 834,907.28, 1,251,581.81 and 329,472.45 is: 493,901.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,907.28 : 1,251,581.81 = 329,472.45 : x
  2. Step 2: Convert to fraction form
    834,907.28/1,251,581.81 = 329,472.45/x
  3. Step 3: Cross multiply
    834,907.28x = 1,251,581.81 × 329,472.45
  4. Step 4: Simplify right side
    834,907.28x = 412,361,723,668.77
  5. Step 5: Solve for x
    x = 412,361,723,668.77/834,907.28
  6. Step 6: Final answer
    x = 493,901.22

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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.