Home / 869,132.10-1,301,948.55-448,644.90

Finding the Fourth Proportional to 869,132.10, 1,301,948.55 and 448,644.90

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Solution

The fourth proportional to 869,132.10, 1,301,948.55 and 448,644.90 is: 672,064.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,132.10 : 1,301,948.55 = 448,644.90 : x
  2. Step 2: Convert to fraction form
    869,132.10/1,301,948.55 = 448,644.90/x
  3. Step 3: Cross multiply
    869,132.10x = 1,301,948.55 × 448,644.90
  4. Step 4: Simplify right side
    869,132.10x = 584,112,577,019.90
  5. Step 5: Solve for x
    x = 584,112,577,019.90/869,132.10
  6. Step 6: Final answer
    x = 672,064.21

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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.