Home / 868,144.96-1,197,973.56-486,119.80

Finding the Fourth Proportional to 868,144.96, 1,197,973.56 and 486,119.80

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Solution

The fourth proportional to 868,144.96, 1,197,973.56 and 486,119.80 is: 670,808.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,144.96 : 1,197,973.56 = 486,119.80 : x
  2. Step 2: Convert to fraction form
    868,144.96/1,197,973.56 = 486,119.80/x
  3. Step 3: Cross multiply
    868,144.96x = 1,197,973.56 × 486,119.80
  4. Step 4: Simplify right side
    868,144.96x = 582,358,667,392.49
  5. Step 5: Solve for x
    x = 582,358,667,392.49/868,144.96
  6. Step 6: Final answer
    x = 670,808.10

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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.