Home / 454,633.20-681,949.80-370,652.40

Finding the Fourth Proportional to 454,633.20, 681,949.80 and 370,652.40

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Solution

The fourth proportional to 454,633.20, 681,949.80 and 370,652.40 is: 555,978.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,633.20 : 681,949.80 = 370,652.40 : x
  2. Step 2: Convert to fraction form
    454,633.20/681,949.80 = 370,652.40/x
  3. Step 3: Cross multiply
    454,633.20x = 681,949.80 × 370,652.40
  4. Step 4: Simplify right side
    454,633.20x = 252,766,330,049.52
  5. Step 5: Solve for x
    x = 252,766,330,049.52/454,633.20
  6. Step 6: Final answer
    x = 555,978.60

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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.