Home / 748,289.16-1,122,876.24-275,306.40

Finding the Fourth Proportional to 748,289.16, 1,122,876.24 and 275,306.40

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Solution

The fourth proportional to 748,289.16, 1,122,876.24 and 275,306.40 is: 413,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,289.16 : 1,122,876.24 = 275,306.40 : x
  2. Step 2: Convert to fraction form
    748,289.16/1,122,876.24 = 275,306.40/x
  3. Step 3: Cross multiply
    748,289.16x = 1,122,876.24 × 275,306.40
  4. Step 4: Simplify right side
    748,289.16x = 309,135,015,279.94
  5. Step 5: Solve for x
    x = 309,135,015,279.94/748,289.16
  6. Step 6: Final answer
    x = 413,122.40

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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.