Home / 652,258.26-900,125.55-394,099.20

Finding the Fourth Proportional to 652,258.26, 900,125.55 and 394,099.20

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Solution

The fourth proportional to 652,258.26, 900,125.55 and 394,099.20 is: 543,862.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,258.26 : 900,125.55 = 394,099.20 : x
  2. Step 2: Convert to fraction form
    652,258.26/900,125.55 = 394,099.20/x
  3. Step 3: Cross multiply
    652,258.26x = 900,125.55 × 394,099.20
  4. Step 4: Simplify right side
    652,258.26x = 354,738,759,154.56
  5. Step 5: Solve for x
    x = 354,738,759,154.56/652,258.26
  6. Step 6: Final answer
    x = 543,862.43

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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.