Home / 912,964.60-1,369,446.90-248,116.60

Finding the Fourth Proportional to 912,964.60, 1,369,446.90 and 248,116.60

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Solution

The fourth proportional to 912,964.60, 1,369,446.90 and 248,116.60 is: 372,174.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,964.60 : 1,369,446.90 = 248,116.60 : x
  2. Step 2: Convert to fraction form
    912,964.60/1,369,446.90 = 248,116.60/x
  3. Step 3: Cross multiply
    912,964.60x = 1,369,446.90 × 248,116.60
  4. Step 4: Simplify right side
    912,964.60x = 339,782,508,708.54
  5. Step 5: Solve for x
    x = 339,782,508,708.54/912,964.60
  6. Step 6: Final answer
    x = 372,174.90

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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.