Home / 725,087.70-1,087,631.55-251,723.70

Finding the Fourth Proportional to 725,087.70, 1,087,631.55 and 251,723.70

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Solution

The fourth proportional to 725,087.70, 1,087,631.55 and 251,723.70 is: 377,585.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,087.70 : 1,087,631.55 = 251,723.70 : x
  2. Step 2: Convert to fraction form
    725,087.70/1,087,631.55 = 251,723.70/x
  3. Step 3: Cross multiply
    725,087.70x = 1,087,631.55 × 251,723.70
  4. Step 4: Simplify right side
    725,087.70x = 273,782,638,002.74
  5. Step 5: Solve for x
    x = 273,782,638,002.74/725,087.70
  6. Step 6: Final answer
    x = 377,585.55

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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.