Home / 868,344.90-1,198,302.84-486,385.35

Finding the Fourth Proportional to 868,344.90, 1,198,302.84 and 486,385.35

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Solution

The fourth proportional to 868,344.90, 1,198,302.84 and 486,385.35 is: 671,204.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,344.90 : 1,198,302.84 = 486,385.35 : x
  2. Step 2: Convert to fraction form
    868,344.90/1,198,302.84 = 486,385.35/x
  3. Step 3: Cross multiply
    868,344.90x = 1,198,302.84 × 486,385.35
  4. Step 4: Simplify right side
    868,344.90x = 582,836,946,239.39
  5. Step 5: Solve for x
    x = 582,836,946,239.39/868,344.90
  6. Step 6: Final answer
    x = 671,204.43

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Double scale
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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.