Home / 526,506.18-726,578.61-284,788.64

Finding the Fourth Proportional to 526,506.18, 726,578.61 and 284,788.64

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Solution

The fourth proportional to 526,506.18, 726,578.61 and 284,788.64 is: 393,008.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,506.18 : 726,578.61 = 284,788.64 : x
  2. Step 2: Convert to fraction form
    526,506.18/726,578.61 = 284,788.64/x
  3. Step 3: Cross multiply
    526,506.18x = 726,578.61 × 284,788.64
  4. Step 4: Simplify right side
    526,506.18x = 206,921,334,943.48
  5. Step 5: Solve for x
    x = 206,921,334,943.48/526,506.18
  6. Step 6: Final answer
    x = 393,008.37

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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.