Home / 876,003.20-1,313,697.60-455,139.20

Finding the Fourth Proportional to 876,003.20, 1,313,697.60 and 455,139.20

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Solution

The fourth proportional to 876,003.20, 1,313,697.60 and 455,139.20 is: 682,549.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,003.20 : 1,313,697.60 = 455,139.20 : x
  2. Step 2: Convert to fraction form
    876,003.20/1,313,697.60 = 455,139.20/x
  3. Step 3: Cross multiply
    876,003.20x = 1,313,697.60 × 455,139.20
  4. Step 4: Simplify right side
    876,003.20x = 597,915,274,705.92
  5. Step 5: Solve for x
    x = 597,915,274,705.92/876,003.20
  6. Step 6: Final answer
    x = 682,549.19

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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.