Home / 518,541.44-777,836.75-251,984.40

Finding the Fourth Proportional to 518,541.44, 777,836.75 and 251,984.40

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Solution

The fourth proportional to 518,541.44, 777,836.75 and 251,984.40 is: 377,988.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,541.44 : 777,836.75 = 251,984.40 : x
  2. Step 2: Convert to fraction form
    518,541.44/777,836.75 = 251,984.40/x
  3. Step 3: Cross multiply
    518,541.44x = 777,836.75 × 251,984.40
  4. Step 4: Simplify right side
    518,541.44x = 196,002,725,486.78
  5. Step 5: Solve for x
    x = 196,002,725,486.78/518,541.44
  6. Step 6: Final answer
    x = 377,988.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.