Home / 834,649.52-1,251,132.89-329,014.67

Finding the Fourth Proportional to 834,649.52, 1,251,132.89 and 329,014.67

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Solution

The fourth proportional to 834,649.52, 1,251,132.89 and 329,014.67 is: 493,190.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,649.52 : 1,251,132.89 = 329,014.67 : x
  2. Step 2: Convert to fraction form
    834,649.52/1,251,132.89 = 329,014.67/x
  3. Step 3: Cross multiply
    834,649.52x = 1,251,132.89 × 329,014.67
  4. Step 4: Simplify right side
    834,649.52x = 411,641,067,028.76
  5. Step 5: Solve for x
    x = 411,641,067,028.76/834,649.52
  6. Step 6: Final answer
    x = 493,190.33

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1.5x scale

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.