Home / 757,722.20-1,136,770.40-225,240.95

Finding the Fourth Proportional to 757,722.20, 1,136,770.40 and 225,240.95

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Solution

The fourth proportional to 757,722.20, 1,136,770.40 and 225,240.95 is: 337,917.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,722.20 : 1,136,770.40 = 225,240.95 : x
  2. Step 2: Convert to fraction form
    757,722.20/1,136,770.40 = 225,240.95/x
  3. Step 3: Cross multiply
    757,722.20x = 1,136,770.40 × 225,240.95
  4. Step 4: Simplify right side
    757,722.20x = 256,047,248,232.91
  5. Step 5: Solve for x
    x = 256,047,248,232.91/757,722.20
  6. Step 6: Final answer
    x = 337,917.05

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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.