Home / 725,231.52-1,000,887.12-438,822.24

Finding the Fourth Proportional to 725,231.52, 1,000,887.12 and 438,822.24

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Solution

The fourth proportional to 725,231.52, 1,000,887.12 and 438,822.24 is: 605,615.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,231.52 : 1,000,887.12 = 438,822.24 : x
  2. Step 2: Convert to fraction form
    725,231.52/1,000,887.12 = 438,822.24/x
  3. Step 3: Cross multiply
    725,231.52x = 1,000,887.12 × 438,822.24
  4. Step 4: Simplify right side
    725,231.52x = 439,211,527,985.55
  5. Step 5: Solve for x
    x = 439,211,527,985.55/725,231.52
  6. Step 6: Final answer
    x = 605,615.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.