Home / 915,060.30-1,372,590.45-250,212.30

Finding the Fourth Proportional to 915,060.30, 1,372,590.45 and 250,212.30

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Solution

The fourth proportional to 915,060.30, 1,372,590.45 and 250,212.30 is: 375,318.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,060.30 : 1,372,590.45 = 250,212.30 : x
  2. Step 2: Convert to fraction form
    915,060.30/1,372,590.45 = 250,212.30/x
  3. Step 3: Cross multiply
    915,060.30x = 1,372,590.45 × 250,212.30
  4. Step 4: Simplify right side
    915,060.30x = 343,439,013,452.54
  5. Step 5: Solve for x
    x = 343,439,013,452.54/915,060.30
  6. Step 6: Final answer
    x = 375,318.45

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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.