Home / 725,614.20-1,087,514.10-370,769.40

Finding the Fourth Proportional to 725,614.20, 1,087,514.10 and 370,769.40

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Solution

The fourth proportional to 725,614.20, 1,087,514.10 and 370,769.40 is: 555,690.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,614.20 : 1,087,514.10 = 370,769.40 : x
  2. Step 2: Convert to fraction form
    725,614.20/1,087,514.10 = 370,769.40/x
  3. Step 3: Cross multiply
    725,614.20x = 1,087,514.10 × 370,769.40
  4. Step 4: Simplify right side
    725,614.20x = 403,216,950,348.54
  5. Step 5: Solve for x
    x = 403,216,950,348.54/725,614.20
  6. Step 6: Final answer
    x = 555,690.55

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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.