Home / 754,586.75-1,040,986.22-448,489.20

Finding the Fourth Proportional to 754,586.75, 1,040,986.22 and 448,489.20

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Solution

The fourth proportional to 754,586.75, 1,040,986.22 and 448,489.20 is: 618,710.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,586.75 : 1,040,986.22 = 448,489.20 : x
  2. Step 2: Convert to fraction form
    754,586.75/1,040,986.22 = 448,489.20/x
  3. Step 3: Cross multiply
    754,586.75x = 1,040,986.22 × 448,489.20
  4. Step 4: Simplify right side
    754,586.75x = 466,871,078,680.08
  5. Step 5: Solve for x
    x = 466,871,078,680.08/754,586.75
  6. Step 6: Final answer
    x = 618,710.94

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Double scale
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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.