Home / 669,131.10-1,003,364.55-242,649.90

Finding the Fourth Proportional to 669,131.10, 1,003,364.55 and 242,649.90

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Solution

The fourth proportional to 669,131.10, 1,003,364.55 and 242,649.90 is: 363,854.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,131.10 : 1,003,364.55 = 242,649.90 : x
  2. Step 2: Convert to fraction form
    669,131.10/1,003,364.55 = 242,649.90/x
  3. Step 3: Cross multiply
    669,131.10x = 1,003,364.55 × 242,649.90
  4. Step 4: Simplify right side
    669,131.10x = 243,466,307,721.05
  5. Step 5: Solve for x
    x = 243,466,307,721.05/669,131.10
  6. Step 6: Final answer
    x = 363,854.42

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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.