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Finding the Fourth Proportional to 555,574.08, 766,559.52 and 329,180.48

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Solution

The fourth proportional to 555,574.08, 766,559.52 and 329,180.48 is: 454,190.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,574.08 : 766,559.52 = 329,180.48 : x
  2. Step 2: Convert to fraction form
    555,574.08/766,559.52 = 329,180.48/x
  3. Step 3: Cross multiply
    555,574.08x = 766,559.52 × 329,180.48
  4. Step 4: Simplify right side
    555,574.08x = 252,336,430,742.17
  5. Step 5: Solve for x
    x = 252,336,430,742.17/555,574.08
  6. Step 6: Final answer
    x = 454,190.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.