Home / 445,484.20-611,359.61-442,334.92

Finding the Fourth Proportional to 445,484.20, 611,359.61 and 442,334.92

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Solution

The fourth proportional to 445,484.20, 611,359.61 and 442,334.92 is: 607,037.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,484.20 : 611,359.61 = 442,334.92 : x
  2. Step 2: Convert to fraction form
    445,484.20/611,359.61 = 442,334.92/x
  3. Step 3: Cross multiply
    445,484.20x = 611,359.61 × 442,334.92
  4. Step 4: Simplify right side
    445,484.20x = 270,425,704,180.58
  5. Step 5: Solve for x
    x = 270,425,704,180.58/445,484.20
  6. Step 6: Final answer
    x = 607,037.70

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.