Home / 834,139.76-1,251,016.44-497,274.80

Finding the Fourth Proportional to 834,139.76, 1,251,016.44 and 497,274.80

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Solution

The fourth proportional to 834,139.76, 1,251,016.44 and 497,274.80 is: 745,797.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,139.76 : 1,251,016.44 = 497,274.80 : x
  2. Step 2: Convert to fraction form
    834,139.76/1,251,016.44 = 497,274.80/x
  3. Step 3: Cross multiply
    834,139.76x = 1,251,016.44 × 497,274.80
  4. Step 4: Simplify right side
    834,139.76x = 622,098,949,997.71
  5. Step 5: Solve for x
    x = 622,098,949,997.71/834,139.76
  6. Step 6: Final answer
    x = 745,797.02

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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.