Home / 748,814.60-1,123,092.30-275,256.20

Finding the Fourth Proportional to 748,814.60, 1,123,092.30 and 275,256.20

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Solution

The fourth proportional to 748,814.60, 1,123,092.30 and 275,256.20 is: 412,836.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,814.60 : 1,123,092.30 = 275,256.20 : x
  2. Step 2: Convert to fraction form
    748,814.60/1,123,092.30 = 275,256.20/x
  3. Step 3: Cross multiply
    748,814.60x = 1,123,092.30 × 275,256.20
  4. Step 4: Simplify right side
    748,814.60x = 309,138,118,747.26
  5. Step 5: Solve for x
    x = 309,138,118,747.26/748,814.60
  6. Step 6: Final answer
    x = 412,836.66

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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.