Home / 869,122.10-1,301,933.55-448,634.90

Finding the Fourth Proportional to 869,122.10, 1,301,933.55 and 448,634.90

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Solution

The fourth proportional to 869,122.10, 1,301,933.55 and 448,634.90 is: 672,049.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,122.10 : 1,301,933.55 = 448,634.90 : x
  2. Step 2: Convert to fraction form
    869,122.10/1,301,933.55 = 448,634.90/x
  3. Step 3: Cross multiply
    869,122.10x = 1,301,933.55 × 448,634.90
  4. Step 4: Simplify right side
    869,122.10x = 584,092,828,010.90
  5. Step 5: Solve for x
    x = 584,092,828,010.90/869,122.10
  6. Step 6: Final answer
    x = 672,049.22

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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.