Home / 992,891.49-1,370,132.33-557,268.36

Finding the Fourth Proportional to 992,891.49, 1,370,132.33 and 557,268.36

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Solution

The fourth proportional to 992,891.49, 1,370,132.33 and 557,268.36 is: 768,997.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,891.49 : 1,370,132.33 = 557,268.36 : x
  2. Step 2: Convert to fraction form
    992,891.49/1,370,132.33 = 557,268.36/x
  3. Step 3: Cross multiply
    992,891.49x = 1,370,132.33 × 557,268.36
  4. Step 4: Simplify right side
    992,891.49x = 763,531,393,735.74
  5. Step 5: Solve for x
    x = 763,531,393,735.74/992,891.49
  6. Step 6: Final answer
    x = 768,997.82

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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.