Home / 879,197.78-1,318,612.14-247,963.97

Finding the Fourth Proportional to 879,197.78, 1,318,612.14 and 247,963.97

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Solution

The fourth proportional to 879,197.78, 1,318,612.14 and 247,963.97 is: 371,893.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,197.78 : 1,318,612.14 = 247,963.97 : x
  2. Step 2: Convert to fraction form
    879,197.78/1,318,612.14 = 247,963.97/x
  3. Step 3: Cross multiply
    879,197.78x = 1,318,612.14 × 247,963.97
  4. Step 4: Simplify right side
    879,197.78x = 326,968,300,421.94
  5. Step 5: Solve for x
    x = 326,968,300,421.94/879,197.78
  6. Step 6: Final answer
    x = 371,893.91

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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.