Home / 722,414.40-1,083,945.60-249,439.20

Finding the Fourth Proportional to 722,414.40, 1,083,945.60 and 249,439.20

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Solution

The fourth proportional to 722,414.40, 1,083,945.60 and 249,439.20 is: 374,270.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,414.40 : 1,083,945.60 = 249,439.20 : x
  2. Step 2: Convert to fraction form
    722,414.40/1,083,945.60 = 249,439.20/x
  3. Step 3: Cross multiply
    722,414.40x = 1,083,945.60 × 249,439.20
  4. Step 4: Simplify right side
    722,414.40x = 270,378,523,307.52
  5. Step 5: Solve for x
    x = 270,378,523,307.52/722,414.40
  6. Step 6: Final answer
    x = 374,270.67

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Double scale
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1.5x scale

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.