Home / 810,057.20-1,213,754.43-277,287.59

Finding the Fourth Proportional to 810,057.20, 1,213,754.43 and 277,287.59

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Solution

The fourth proportional to 810,057.20, 1,213,754.43 and 277,287.59 is: 415,475.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,057.20 : 1,213,754.43 = 277,287.59 : x
  2. Step 2: Convert to fraction form
    810,057.20/1,213,754.43 = 277,287.59/x
  3. Step 3: Cross multiply
    810,057.20x = 1,213,754.43 × 277,287.59
  4. Step 4: Simplify right side
    810,057.20x = 336,559,034,677.75
  5. Step 5: Solve for x
    x = 336,559,034,677.75/810,057.20
  6. Step 6: Final answer
    x = 415,475.64

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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.