Home / 881,018.79-1,215,708.43-488,541.88

Finding the Fourth Proportional to 881,018.79, 1,215,708.43 and 488,541.88

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Solution

The fourth proportional to 881,018.79, 1,215,708.43 and 488,541.88 is: 674,133.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,018.79 : 1,215,708.43 = 488,541.88 : x
  2. Step 2: Convert to fraction form
    881,018.79/1,215,708.43 = 488,541.88/x
  3. Step 3: Cross multiply
    881,018.79x = 1,215,708.43 × 488,541.88
  4. Step 4: Simplify right side
    881,018.79x = 593,924,479,481.34
  5. Step 5: Solve for x
    x = 593,924,479,481.34/881,018.79
  6. Step 6: Final answer
    x = 674,133.73

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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.