Home / 557,401.08-836,118.97-265,216.87

Finding the Fourth Proportional to 557,401.08, 836,118.97 and 265,216.87

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Solution

The fourth proportional to 557,401.08, 836,118.97 and 265,216.87 is: 397,833.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,401.08 : 836,118.97 = 265,216.87 : x
  2. Step 2: Convert to fraction form
    557,401.08/836,118.97 = 265,216.87/x
  3. Step 3: Cross multiply
    557,401.08x = 836,118.97 × 265,216.87
  4. Step 4: Simplify right side
    557,401.08x = 221,752,855,750.29
  5. Step 5: Solve for x
    x = 221,752,855,750.29/557,401.08
  6. Step 6: Final answer
    x = 397,833.56

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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.