Home / 754,823.20-1,132,401.12-328,426

Finding the Fourth Proportional to 754,823.20, 1,132,401.12 and 328,426

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Solution

The fourth proportional to 754,823.20, 1,132,401.12 and 328,426 is: 492,711.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,823.20 : 1,132,401.12 = 328,426 : x
  2. Step 2: Convert to fraction form
    754,823.20/1,132,401.12 = 328,426/x
  3. Step 3: Cross multiply
    754,823.20x = 1,132,401.12 × 328,426
  4. Step 4: Simplify right side
    754,823.20x = 371,909,970,237.12
  5. Step 5: Solve for x
    x = 371,909,970,237.12/754,823.20
  6. Step 6: Final answer
    x = 492,711.37

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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.