Home / 928,002.70-1,392,004.05-484,713.10

Finding the Fourth Proportional to 928,002.70, 1,392,004.05 and 484,713.10

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Solution

The fourth proportional to 928,002.70, 1,392,004.05 and 484,713.10 is: 727,069.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,002.70 : 1,392,004.05 = 484,713.10 : x
  2. Step 2: Convert to fraction form
    928,002.70/1,392,004.05 = 484,713.10/x
  3. Step 3: Cross multiply
    928,002.70x = 1,392,004.05 × 484,713.10
  4. Step 4: Simplify right side
    928,002.70x = 674,722,598,288.06
  5. Step 5: Solve for x
    x = 674,722,598,288.06/928,002.70
  6. Step 6: Final answer
    x = 727,069.65

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Double scale
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Similar ratio
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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.