Home / 917,240.80-1,375,861.20-252,392.80

Finding the Fourth Proportional to 917,240.80, 1,375,861.20 and 252,392.80

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Solution

The fourth proportional to 917,240.80, 1,375,861.20 and 252,392.80 is: 378,589.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,240.80 : 1,375,861.20 = 252,392.80 : x
  2. Step 2: Convert to fraction form
    917,240.80/1,375,861.20 = 252,392.80/x
  3. Step 3: Cross multiply
    917,240.80x = 1,375,861.20 × 252,392.80
  4. Step 4: Simplify right side
    917,240.80x = 347,257,460,679.36
  5. Step 5: Solve for x
    x = 347,257,460,679.36/917,240.80
  6. Step 6: Final answer
    x = 378,589.20

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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.