Home / 800,034.91-1,200,053.54-326,720.29

Finding the Fourth Proportional to 800,034.91, 1,200,053.54 and 326,720.29

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Solution

The fourth proportional to 800,034.91, 1,200,053.54 and 326,720.29 is: 490,080.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,034.91 : 1,200,053.54 = 326,720.29 : x
  2. Step 2: Convert to fraction form
    800,034.91/1,200,053.54 = 326,720.29/x
  3. Step 3: Cross multiply
    800,034.91x = 1,200,053.54 × 326,720.29
  4. Step 4: Simplify right side
    800,034.91x = 392,081,832,970.46
  5. Step 5: Solve for x
    x = 392,081,832,970.46/800,034.91
  6. Step 6: Final answer
    x = 490,080.91

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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.