Home / 834,472.40-1,251,656.76-265,839.44

Finding the Fourth Proportional to 834,472.40, 1,251,656.76 and 265,839.44

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Solution

The fourth proportional to 834,472.40, 1,251,656.76 and 265,839.44 is: 398,742.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,472.40 : 1,251,656.76 = 265,839.44 : x
  2. Step 2: Convert to fraction form
    834,472.40/1,251,656.76 = 265,839.44/x
  3. Step 3: Cross multiply
    834,472.40x = 1,251,656.76 × 265,839.44
  4. Step 4: Simplify right side
    834,472.40x = 332,739,732,150.61
  5. Step 5: Solve for x
    x = 332,739,732,150.61/834,472.40
  6. Step 6: Final answer
    x = 398,742.65

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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.