Home / 725,616.20-1,087,517.10-370,771.40

Finding the Fourth Proportional to 725,616.20, 1,087,517.10 and 370,771.40

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Solution

The fourth proportional to 725,616.20, 1,087,517.10 and 370,771.40 is: 555,693.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,616.20 : 1,087,517.10 = 370,771.40 : x
  2. Step 2: Convert to fraction form
    725,616.20/1,087,517.10 = 370,771.40/x
  3. Step 3: Cross multiply
    725,616.20x = 1,087,517.10 × 370,771.40
  4. Step 4: Simplify right side
    725,616.20x = 403,220,237,690.94
  5. Step 5: Solve for x
    x = 403,220,237,690.94/725,616.20
  6. Step 6: Final answer
    x = 555,693.54

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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.