Home / 555,147.92-766,052.52-340,245.20

Finding the Fourth Proportional to 555,147.92, 766,052.52 and 340,245.20

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Solution

The fourth proportional to 555,147.92, 766,052.52 and 340,245.20 is: 469,506.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,147.92 : 766,052.52 = 340,245.20 : x
  2. Step 2: Convert to fraction form
    555,147.92/766,052.52 = 340,245.20/x
  3. Step 3: Cross multiply
    555,147.92x = 766,052.52 × 340,245.20
  4. Step 4: Simplify right side
    555,147.92x = 260,645,692,877.90
  5. Step 5: Solve for x
    x = 260,645,692,877.90/555,147.92
  6. Step 6: Final answer
    x = 469,506.74

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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.