Home / 648,263.22-894,648.15-361,839.30

Finding the Fourth Proportional to 648,263.22, 894,648.15 and 361,839.30

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Solution

The fourth proportional to 648,263.22, 894,648.15 and 361,839.30 is: 499,363.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,263.22 : 894,648.15 = 361,839.30 : x
  2. Step 2: Convert to fraction form
    648,263.22/894,648.15 = 361,839.30/x
  3. Step 3: Cross multiply
    648,263.22x = 894,648.15 × 361,839.30
  4. Step 4: Simplify right side
    648,263.22x = 323,718,860,342.30
  5. Step 5: Solve for x
    x = 323,718,860,342.30/648,263.22
  6. Step 6: Final answer
    x = 499,363.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.