Home / 729,703.60-1,094,555.40-256,436.80

Finding the Fourth Proportional to 729,703.60, 1,094,555.40 and 256,436.80

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Solution

The fourth proportional to 729,703.60, 1,094,555.40 and 256,436.80 is: 384,655.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,703.60 : 1,094,555.40 = 256,436.80 : x
  2. Step 2: Convert to fraction form
    729,703.60/1,094,555.40 = 256,436.80/x
  3. Step 3: Cross multiply
    729,703.60x = 1,094,555.40 × 256,436.80
  4. Step 4: Simplify right side
    729,703.60x = 280,684,284,198.72
  5. Step 5: Solve for x
    x = 280,684,284,198.72/729,703.60
  6. Step 6: Final answer
    x = 384,655.20

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Similar ratio
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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.