Home / 522,049.20-782,417.70-255,235.20

Finding the Fourth Proportional to 522,049.20, 782,417.70 and 255,235.20

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Solution

The fourth proportional to 522,049.20, 782,417.70 and 255,235.20 is: 382,532.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,049.20 : 782,417.70 = 255,235.20 : x
  2. Step 2: Convert to fraction form
    522,049.20/782,417.70 = 255,235.20/x
  3. Step 3: Cross multiply
    522,049.20x = 782,417.70 × 255,235.20
  4. Step 4: Simplify right side
    522,049.20x = 199,700,538,143.04
  5. Step 5: Solve for x
    x = 199,700,538,143.04/522,049.20
  6. Step 6: Final answer
    x = 382,532.03

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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.