Home / 546,867.20-819,686.40-280,524.80

Finding the Fourth Proportional to 546,867.20, 819,686.40 and 280,524.80

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Solution

The fourth proportional to 546,867.20, 819,686.40 and 280,524.80 is: 420,472.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,867.20 : 819,686.40 = 280,524.80 : x
  2. Step 2: Convert to fraction form
    546,867.20/819,686.40 = 280,524.80/x
  3. Step 3: Cross multiply
    546,867.20x = 819,686.40 × 280,524.80
  4. Step 4: Simplify right side
    546,867.20x = 229,942,363,422.72
  5. Step 5: Solve for x
    x = 229,942,363,422.72/546,867.20
  6. Step 6: Final answer
    x = 420,472.03

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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.