Home / 751,681.89-1,127,710.97-219,202.97

Finding the Fourth Proportional to 751,681.89, 1,127,710.97 and 219,202.97

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Solution

The fourth proportional to 751,681.89, 1,127,710.97 and 219,202.97 is: 328,859.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,681.89 : 1,127,710.97 = 219,202.97 : x
  2. Step 2: Convert to fraction form
    751,681.89/1,127,710.97 = 219,202.97/x
  3. Step 3: Cross multiply
    751,681.89x = 1,127,710.97 × 219,202.97
  4. Step 4: Simplify right side
    751,681.89x = 247,197,587,191.01
  5. Step 5: Solve for x
    x = 247,197,587,191.01/751,681.89
  6. Step 6: Final answer
    x = 328,859.31

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1.5x scale

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.