Home / 749,187.92-1,123,256.64-275,811.68

Finding the Fourth Proportional to 749,187.92, 1,123,256.64 and 275,811.68

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Solution

The fourth proportional to 749,187.92, 1,123,256.64 and 275,811.68 is: 413,524.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,187.92 : 1,123,256.64 = 275,811.68 : x
  2. Step 2: Convert to fraction form
    749,187.92/1,123,256.64 = 275,811.68/x
  3. Step 3: Cross multiply
    749,187.92x = 1,123,256.64 × 275,811.68
  4. Step 4: Simplify right side
    749,187.92x = 309,807,300,949.56
  5. Step 5: Solve for x
    x = 309,807,300,949.56/749,187.92
  6. Step 6: Final answer
    x = 413,524.15

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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.