Home / 745,633.80-1,117,452.78-271,872.36

Finding the Fourth Proportional to 745,633.80, 1,117,452.78 and 271,872.36

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Solution

The fourth proportional to 745,633.80, 1,117,452.78 and 271,872.36 is: 407,444.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,633.80 : 1,117,452.78 = 271,872.36 : x
  2. Step 2: Convert to fraction form
    745,633.80/1,117,452.78 = 271,872.36/x
  3. Step 3: Cross multiply
    745,633.80x = 1,117,452.78 × 271,872.36
  4. Step 4: Simplify right side
    745,633.80x = 303,804,524,487.16
  5. Step 5: Solve for x
    x = 303,804,524,487.16/745,633.80
  6. Step 6: Final answer
    x = 407,444.68

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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.