Home / 725,912.10-1,088,868.15-632,600.10

Finding the Fourth Proportional to 725,912.10, 1,088,868.15 and 632,600.10

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Solution

The fourth proportional to 725,912.10, 1,088,868.15 and 632,600.10 is: 948,900.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,912.10 : 1,088,868.15 = 632,600.10 : x
  2. Step 2: Convert to fraction form
    725,912.10/1,088,868.15 = 632,600.10/x
  3. Step 3: Cross multiply
    725,912.10x = 1,088,868.15 × 632,600.10
  4. Step 4: Simplify right side
    725,912.10x = 688,818,100,576.82
  5. Step 5: Solve for x
    x = 688,818,100,576.82/725,912.10
  6. Step 6: Final answer
    x = 948,900.15

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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.