Home / 648,180.72-894,534.30-361,756.62

Finding the Fourth Proportional to 648,180.72, 894,534.30 and 361,756.62

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Solution

The fourth proportional to 648,180.72, 894,534.30 and 361,756.62 is: 499,249.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,180.72 : 894,534.30 = 361,756.62 : x
  2. Step 2: Convert to fraction form
    648,180.72/894,534.30 = 361,756.62/x
  3. Step 3: Cross multiply
    648,180.72x = 894,534.30 × 361,756.62
  4. Step 4: Simplify right side
    648,180.72x = 323,603,704,842.07
  5. Step 5: Solve for x
    x = 323,603,704,842.07/648,180.72
  6. Step 6: Final answer
    x = 499,249.20

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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.