Home / 642,236.22-963,952.20-326,929.14

Finding the Fourth Proportional to 642,236.22, 963,952.20 and 326,929.14

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Solution

The fourth proportional to 642,236.22, 963,952.20 and 326,929.14 is: 490,698.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,236.22 : 963,952.20 = 326,929.14 : x
  2. Step 2: Convert to fraction form
    642,236.22/963,952.20 = 326,929.14/x
  3. Step 3: Cross multiply
    642,236.22x = 963,952.20 × 326,929.14
  4. Step 4: Simplify right side
    642,236.22x = 315,144,063,747.11
  5. Step 5: Solve for x
    x = 315,144,063,747.11/642,236.22
  6. Step 6: Final answer
    x = 490,698.05

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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.