Home / 434,034.72-650,398.26-386,734.52

Finding the Fourth Proportional to 434,034.72, 650,398.26 and 386,734.52

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Solution

The fourth proportional to 434,034.72, 650,398.26 and 386,734.52 is: 579,519.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,034.72 : 650,398.26 = 386,734.52 : x
  2. Step 2: Convert to fraction form
    434,034.72/650,398.26 = 386,734.52/x
  3. Step 3: Cross multiply
    434,034.72x = 650,398.26 × 386,734.52
  4. Step 4: Simplify right side
    434,034.72x = 251,531,461,966.19
  5. Step 5: Solve for x
    x = 251,531,461,966.19/434,034.72
  6. Step 6: Final answer
    x = 579,519.22

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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.