Home / 688,046.24-1,030,498.04-328,470.02

Finding the Fourth Proportional to 688,046.24, 1,030,498.04 and 328,470.02

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Solution

The fourth proportional to 688,046.24, 1,030,498.04 and 328,470.02 is: 491,954.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,046.24 : 1,030,498.04 = 328,470.02 : x
  2. Step 2: Convert to fraction form
    688,046.24/1,030,498.04 = 328,470.02/x
  3. Step 3: Cross multiply
    688,046.24x = 1,030,498.04 × 328,470.02
  4. Step 4: Simplify right side
    688,046.24x = 338,487,705,013.92
  5. Step 5: Solve for x
    x = 338,487,705,013.92/688,046.24
  6. Step 6: Final answer
    x = 491,954.88

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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.