Home / 578,631.20-867,313.20-204,461.60

Finding the Fourth Proportional to 578,631.20, 867,313.20 and 204,461.60

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Solution

The fourth proportional to 578,631.20, 867,313.20 and 204,461.60 is: 306,468.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,631.20 : 867,313.20 = 204,461.60 : x
  2. Step 2: Convert to fraction form
    578,631.20/867,313.20 = 204,461.60/x
  3. Step 3: Cross multiply
    578,631.20x = 867,313.20 × 204,461.60
  4. Step 4: Simplify right side
    578,631.20x = 177,332,244,573.12
  5. Step 5: Solve for x
    x = 177,332,244,573.12/578,631.20
  6. Step 6: Final answer
    x = 306,468.51

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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.