Home / 731,803.40-1,098,396.30-451,867.40

Finding the Fourth Proportional to 731,803.40, 1,098,396.30 and 451,867.40

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Solution

The fourth proportional to 731,803.40, 1,098,396.30 and 451,867.40 is: 678,227.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,803.40 : 1,098,396.30 = 451,867.40 : x
  2. Step 2: Convert to fraction form
    731,803.40/1,098,396.30 = 451,867.40/x
  3. Step 3: Cross multiply
    731,803.40x = 1,098,396.30 × 451,867.40
  4. Step 4: Simplify right side
    731,803.40x = 496,329,480,250.62
  5. Step 5: Solve for x
    x = 496,329,480,250.62/731,803.40
  6. Step 6: Final answer
    x = 678,227.90

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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.