Home / 669,129.10-1,003,361.55-242,647.90

Finding the Fourth Proportional to 669,129.10, 1,003,361.55 and 242,647.90

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Solution

The fourth proportional to 669,129.10, 1,003,361.55 and 242,647.90 is: 363,851.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,129.10 : 1,003,361.55 = 242,647.90 : x
  2. Step 2: Convert to fraction form
    669,129.10/1,003,361.55 = 242,647.90/x
  3. Step 3: Cross multiply
    669,129.10x = 1,003,361.55 × 242,647.90
  4. Step 4: Simplify right side
    669,129.10x = 243,463,573,048.25
  5. Step 5: Solve for x
    x = 243,463,573,048.25/669,129.10
  6. Step 6: Final answer
    x = 363,851.42

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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.