Home / 872,841.83-1,309,864.77-304,227.70

Finding the Fourth Proportional to 872,841.83, 1,309,864.77 and 304,227.70

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Solution

The fourth proportional to 872,841.83, 1,309,864.77 and 304,227.70 is: 456,551.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,841.83 : 1,309,864.77 = 304,227.70 : x
  2. Step 2: Convert to fraction form
    872,841.83/1,309,864.77 = 304,227.70/x
  3. Step 3: Cross multiply
    872,841.83x = 1,309,864.77 × 304,227.70
  4. Step 4: Simplify right side
    872,841.83x = 398,497,143,013.47
  5. Step 5: Solve for x
    x = 398,497,143,013.47/872,841.83
  6. Step 6: Final answer
    x = 456,551.38

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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.