Home / 891,640.48-1,337,562.20-323,289.24

Finding the Fourth Proportional to 891,640.48, 1,337,562.20 and 323,289.24

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Solution

The fourth proportional to 891,640.48, 1,337,562.20 and 323,289.24 is: 484,970.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,640.48 : 1,337,562.20 = 323,289.24 : x
  2. Step 2: Convert to fraction form
    891,640.48/1,337,562.20 = 323,289.24/x
  3. Step 3: Cross multiply
    891,640.48x = 1,337,562.20 × 323,289.24
  4. Step 4: Simplify right side
    891,640.48x = 432,419,458,786.47
  5. Step 5: Solve for x
    x = 432,419,458,786.47/891,640.48
  6. Step 6: Final answer
    x = 484,970.65

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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.