Home / 749,080.08-1,123,731.96-275,729.46

Finding the Fourth Proportional to 749,080.08, 1,123,731.96 and 275,729.46

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Solution

The fourth proportional to 749,080.08, 1,123,731.96 and 275,729.46 is: 413,635.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,080.08 : 1,123,731.96 = 275,729.46 : x
  2. Step 2: Convert to fraction form
    749,080.08/1,123,731.96 = 275,729.46/x
  3. Step 3: Cross multiply
    749,080.08x = 1,123,731.96 × 275,729.46
  4. Step 4: Simplify right side
    749,080.08x = 309,846,006,515.54
  5. Step 5: Solve for x
    x = 309,846,006,515.54/749,080.08
  6. Step 6: Final answer
    x = 413,635.36

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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.