Home / 725,615.08-1,088,433.60-276,360.82

Finding the Fourth Proportional to 725,615.08, 1,088,433.60 and 276,360.82

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Solution

The fourth proportional to 725,615.08, 1,088,433.60 and 276,360.82 is: 414,545.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,615.08 : 1,088,433.60 = 276,360.82 : x
  2. Step 2: Convert to fraction form
    725,615.08/1,088,433.60 = 276,360.82/x
  3. Step 3: Cross multiply
    725,615.08x = 1,088,433.60 × 276,360.82
  4. Step 4: Simplify right side
    725,615.08x = 300,800,402,211.55
  5. Step 5: Solve for x
    x = 300,800,402,211.55/725,615.08
  6. Step 6: Final answer
    x = 414,545.41

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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.