Home / 881,017.79-1,215,707.05-488,540.88

Finding the Fourth Proportional to 881,017.79, 1,215,707.05 and 488,540.88

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Solution

The fourth proportional to 881,017.79, 1,215,707.05 and 488,540.88 is: 674,132.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,017.79 : 1,215,707.05 = 488,540.88 : x
  2. Step 2: Convert to fraction form
    881,017.79/1,215,707.05 = 488,540.88/x
  3. Step 3: Cross multiply
    881,017.79x = 1,215,707.05 × 488,540.88
  4. Step 4: Simplify right side
    881,017.79x = 593,922,589,586.50
  5. Step 5: Solve for x
    x = 593,922,589,586.50/881,017.79
  6. Step 6: Final answer
    x = 674,132.35

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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.