Home / 526,725.84-726,876.20-285,003.08

Finding the Fourth Proportional to 526,725.84, 726,876.20 and 285,003.08

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Solution

The fourth proportional to 526,725.84, 726,876.20 and 285,003.08 is: 393,301.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,725.84 : 726,876.20 = 285,003.08 : x
  2. Step 2: Convert to fraction form
    526,725.84/726,876.20 = 285,003.08/x
  3. Step 3: Cross multiply
    526,725.84x = 726,876.20 × 285,003.08
  4. Step 4: Simplify right side
    526,725.84x = 207,161,950,719.30
  5. Step 5: Solve for x
    x = 207,161,950,719.30/526,725.84
  6. Step 6: Final answer
    x = 393,301.29

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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.