Home / 928,002.20-1,392,003.30-484,712.60

Finding the Fourth Proportional to 928,002.20, 1,392,003.30 and 484,712.60

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Solution

The fourth proportional to 928,002.20, 1,392,003.30 and 484,712.60 is: 727,068.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,002.20 : 1,392,003.30 = 484,712.60 : x
  2. Step 2: Convert to fraction form
    928,002.20/1,392,003.30 = 484,712.60/x
  3. Step 3: Cross multiply
    928,002.20x = 1,392,003.30 × 484,712.60
  4. Step 4: Simplify right side
    928,002.20x = 674,721,538,751.58
  5. Step 5: Solve for x
    x = 674,721,538,751.58/928,002.20
  6. Step 6: Final answer
    x = 727,068.90

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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.