Home / 868,486.32-1,198,513.94-481,308.08

Finding the Fourth Proportional to 868,486.32, 1,198,513.94 and 481,308.08

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Solution

The fourth proportional to 868,486.32, 1,198,513.94 and 481,308.08 is: 664,206.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,486.32 : 1,198,513.94 = 481,308.08 : x
  2. Step 2: Convert to fraction form
    868,486.32/1,198,513.94 = 481,308.08/x
  3. Step 3: Cross multiply
    868,486.32x = 1,198,513.94 × 481,308.08
  4. Step 4: Simplify right side
    868,486.32x = 576,854,434,915.53
  5. Step 5: Solve for x
    x = 576,854,434,915.53/868,486.32
  6. Step 6: Final answer
    x = 664,206.70

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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.