Home / 749,026.40-1,123,539.60-275,613.80

Finding the Fourth Proportional to 749,026.40, 1,123,539.60 and 275,613.80

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Solution

The fourth proportional to 749,026.40, 1,123,539.60 and 275,613.80 is: 413,420.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,026.40 : 1,123,539.60 = 275,613.80 : x
  2. Step 2: Convert to fraction form
    749,026.40/1,123,539.60 = 275,613.80/x
  3. Step 3: Cross multiply
    749,026.40x = 1,123,539.60 × 275,613.80
  4. Step 4: Simplify right side
    749,026.40x = 309,663,018,606.48
  5. Step 5: Solve for x
    x = 309,663,018,606.48/749,026.40
  6. Step 6: Final answer
    x = 413,420.70

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Similar ratio
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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.