Home / 454,624.20-681,936.30-370,643.40

Finding the Fourth Proportional to 454,624.20, 681,936.30 and 370,643.40

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Solution

The fourth proportional to 454,624.20, 681,936.30 and 370,643.40 is: 555,965.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,624.20 : 681,936.30 = 370,643.40 : x
  2. Step 2: Convert to fraction form
    454,624.20/681,936.30 = 370,643.40/x
  3. Step 3: Cross multiply
    454,624.20x = 681,936.30 × 370,643.40
  4. Step 4: Simplify right side
    454,624.20x = 252,755,188,815.42
  5. Step 5: Solve for x
    x = 252,755,188,815.42/454,624.20
  6. Step 6: Final answer
    x = 555,965.10

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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.