Home / 749,161.80-1,123,217.76-275,785.56

Finding the Fourth Proportional to 749,161.80, 1,123,217.76 and 275,785.56

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Solution

The fourth proportional to 749,161.80, 1,123,217.76 and 275,785.56 is: 413,485.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,161.80 : 1,123,217.76 = 275,785.56 : x
  2. Step 2: Convert to fraction form
    749,161.80/1,123,217.76 = 275,785.56/x
  3. Step 3: Cross multiply
    749,161.80x = 1,123,217.76 × 275,785.56
  4. Step 4: Simplify right side
    749,161.80x = 309,767,238,943.55
  5. Step 5: Solve for x
    x = 309,767,238,943.55/749,161.80
  6. Step 6: Final answer
    x = 413,485.10

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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.