Home / 982,877.36-1,356,789.29-660,774.27

Finding the Fourth Proportional to 982,877.36, 1,356,789.29 and 660,774.27

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Solution

The fourth proportional to 982,877.36, 1,356,789.29 and 660,774.27 is: 912,149.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,877.36 : 1,356,789.29 = 660,774.27 : x
  2. Step 2: Convert to fraction form
    982,877.36/1,356,789.29 = 660,774.27/x
  3. Step 3: Cross multiply
    982,877.36x = 1,356,789.29 × 660,774.27
  4. Step 4: Simplify right side
    982,877.36x = 896,531,454,427.66
  5. Step 5: Solve for x
    x = 896,531,454,427.66/982,877.36
  6. Step 6: Final answer
    x = 912,149.87

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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.