Home / 987,726.56-1,363,055.36-557,998.88

Finding the Fourth Proportional to 987,726.56, 1,363,055.36 and 557,998.88

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Solution

The fourth proportional to 987,726.56, 1,363,055.36 and 557,998.88 is: 770,034.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,726.56 : 1,363,055.36 = 557,998.88 : x
  2. Step 2: Convert to fraction form
    987,726.56/1,363,055.36 = 557,998.88/x
  3. Step 3: Cross multiply
    987,726.56x = 1,363,055.36 × 557,998.88
  4. Step 4: Simplify right side
    987,726.56x = 760,583,364,258.00
  5. Step 5: Solve for x
    x = 760,583,364,258.00/987,726.56
  6. Step 6: Final answer
    x = 770,034.33

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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.