Home / 725,126.48-1,000,231.14-430,576.56

Finding the Fourth Proportional to 725,126.48, 1,000,231.14 and 430,576.56

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Solution

The fourth proportional to 725,126.48, 1,000,231.14 and 430,576.56 is: 593,932.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,126.48 : 1,000,231.14 = 430,576.56 : x
  2. Step 2: Convert to fraction form
    725,126.48/1,000,231.14 = 430,576.56/x
  3. Step 3: Cross multiply
    725,126.48x = 1,000,231.14 × 430,576.56
  4. Step 4: Simplify right side
    725,126.48x = 430,676,083,466.08
  5. Step 5: Solve for x
    x = 430,676,083,466.08/725,126.48
  6. Step 6: Final answer
    x = 593,932.36

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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.