Home / 608,743.20-913,114.80-276,319.20

Finding the Fourth Proportional to 608,743.20, 913,114.80 and 276,319.20

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Solution

The fourth proportional to 608,743.20, 913,114.80 and 276,319.20 is: 414,478.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,743.20 : 913,114.80 = 276,319.20 : x
  2. Step 2: Convert to fraction form
    608,743.20/913,114.80 = 276,319.20/x
  3. Step 3: Cross multiply
    608,743.20x = 913,114.80 × 276,319.20
  4. Step 4: Simplify right side
    608,743.20x = 252,311,151,044.16
  5. Step 5: Solve for x
    x = 252,311,151,044.16/608,743.20
  6. Step 6: Final answer
    x = 414,478.80

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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.