Home / 725,749.52-1,000,057.28-561,407.60

Finding the Fourth Proportional to 725,749.52, 1,000,057.28 and 561,407.60

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Solution

The fourth proportional to 725,749.52, 1,000,057.28 and 561,407.60 is: 773,599.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,749.52 : 1,000,057.28 = 561,407.60 : x
  2. Step 2: Convert to fraction form
    725,749.52/1,000,057.28 = 561,407.60/x
  3. Step 3: Cross multiply
    725,749.52x = 1,000,057.28 × 561,407.60
  4. Step 4: Simplify right side
    725,749.52x = 561,439,757,427.33
  5. Step 5: Solve for x
    x = 561,439,757,427.33/725,749.52
  6. Step 6: Final answer
    x = 773,599.90

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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.