Home / 920,066.85-1,380,250.07-271,708.62

Finding the Fourth Proportional to 920,066.85, 1,380,250.07 and 271,708.62

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Solution

The fourth proportional to 920,066.85, 1,380,250.07 and 271,708.62 is: 407,607.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,066.85 : 1,380,250.07 = 271,708.62 : x
  2. Step 2: Convert to fraction form
    920,066.85/1,380,250.07 = 271,708.62/x
  3. Step 3: Cross multiply
    920,066.85x = 1,380,250.07 × 271,708.62
  4. Step 4: Simplify right side
    920,066.85x = 375,025,841,095.33
  5. Step 5: Solve for x
    x = 375,025,841,095.33/920,066.85
  6. Step 6: Final answer
    x = 407,607.17

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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.