Home / 803,891.91-1,204,920.55-323,812.27

Finding the Fourth Proportional to 803,891.91, 1,204,920.55 and 323,812.27

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Solution

The fourth proportional to 803,891.91, 1,204,920.55 and 323,812.27 is: 485,348.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,891.91 : 1,204,920.55 = 323,812.27 : x
  2. Step 2: Convert to fraction form
    803,891.91/1,204,920.55 = 323,812.27/x
  3. Step 3: Cross multiply
    803,891.91x = 1,204,920.55 × 323,812.27
  4. Step 4: Simplify right side
    803,891.91x = 390,168,058,465.15
  5. Step 5: Solve for x
    x = 390,168,058,465.15/803,891.91
  6. Step 6: Final answer
    x = 485,348.91

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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.