Home / 755,610.30-1,042,789.65-416,078.55

Finding the Fourth Proportional to 755,610.30, 1,042,789.65 and 416,078.55

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Solution

The fourth proportional to 755,610.30, 1,042,789.65 and 416,078.55 is: 574,214.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,610.30 : 1,042,789.65 = 416,078.55 : x
  2. Step 2: Convert to fraction form
    755,610.30/1,042,789.65 = 416,078.55/x
  3. Step 3: Cross multiply
    755,610.30x = 1,042,789.65 × 416,078.55
  4. Step 4: Simplify right side
    755,610.30x = 433,882,405,527.01
  5. Step 5: Solve for x
    x = 433,882,405,527.01/755,610.30
  6. Step 6: Final answer
    x = 574,214.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.