Home / 399,631.04-598,929.84-299,001.70

Finding the Fourth Proportional to 399,631.04, 598,929.84 and 299,001.70

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Solution

The fourth proportional to 399,631.04, 598,929.84 and 299,001.70 is: 448,115.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,631.04 : 598,929.84 = 299,001.70 : x
  2. Step 2: Convert to fraction form
    399,631.04/598,929.84 = 299,001.70/x
  3. Step 3: Cross multiply
    399,631.04x = 598,929.84 × 299,001.70
  4. Step 4: Simplify right side
    399,631.04x = 179,081,040,340.73
  5. Step 5: Solve for x
    x = 179,081,040,340.73/399,631.04
  6. Step 6: Final answer
    x = 448,115.94

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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.