Home / 868,142.88-1,198,045.49-480,966.53

Finding the Fourth Proportional to 868,142.88, 1,198,045.49 and 480,966.53

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Solution

The fourth proportional to 868,142.88, 1,198,045.49 and 480,966.53 is: 663,738.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,142.88 : 1,198,045.49 = 480,966.53 : x
  2. Step 2: Convert to fraction form
    868,142.88/1,198,045.49 = 480,966.53/x
  3. Step 3: Cross multiply
    868,142.88x = 1,198,045.49 × 480,966.53
  4. Step 4: Simplify right side
    868,142.88x = 576,219,773,712.39
  5. Step 5: Solve for x
    x = 576,219,773,712.39/868,142.88
  6. Step 6: Final answer
    x = 663,738.41

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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.