Home / 725,552.70-1,087,016.85-591,708.30

Finding the Fourth Proportional to 725,552.70, 1,087,016.85 and 591,708.30

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Solution

The fourth proportional to 725,552.70, 1,087,016.85 and 591,708.30 is: 886,492.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,552.70 : 1,087,016.85 = 591,708.30 : x
  2. Step 2: Convert to fraction form
    725,552.70/1,087,016.85 = 591,708.30/x
  3. Step 3: Cross multiply
    725,552.70x = 1,087,016.85 × 591,708.30
  4. Step 4: Simplify right side
    725,552.70x = 643,196,892,384.86
  5. Step 5: Solve for x
    x = 643,196,892,384.86/725,552.70
  6. Step 6: Final answer
    x = 886,492.31

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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.