Home / 552,680.20-829,020.30-272,139.40

Finding the Fourth Proportional to 552,680.20, 829,020.30 and 272,139.40

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Solution

The fourth proportional to 552,680.20, 829,020.30 and 272,139.40 is: 408,209.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,680.20 : 829,020.30 = 272,139.40 : x
  2. Step 2: Convert to fraction form
    552,680.20/829,020.30 = 272,139.40/x
  3. Step 3: Cross multiply
    552,680.20x = 829,020.30 × 272,139.40
  4. Step 4: Simplify right side
    552,680.20x = 225,609,087,029.82
  5. Step 5: Solve for x
    x = 225,609,087,029.82/552,680.20
  6. Step 6: Final answer
    x = 408,209.10

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1.5x scale

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.