Home / 800,420.43-1,200,693.07-231,810.00

Finding the Fourth Proportional to 800,420.43, 1,200,693.07 and 231,810.00

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Solution

The fourth proportional to 800,420.43, 1,200,693.07 and 231,810.00 is: 347,733.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,420.43 : 1,200,693.07 = 231,810.00 : x
  2. Step 2: Convert to fraction form
    800,420.43/1,200,693.07 = 231,810.00/x
  3. Step 3: Cross multiply
    800,420.43x = 1,200,693.07 × 231,810.00
  4. Step 4: Simplify right side
    800,420.43x = 278,332,663,097.76
  5. Step 5: Solve for x
    x = 278,332,663,097.76/800,420.43
  6. Step 6: Final answer
    x = 347,733.08

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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.