Home / 547,293.24-820,967.52-210,215.72

Finding the Fourth Proportional to 547,293.24, 820,967.52 and 210,215.72

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Solution

The fourth proportional to 547,293.24, 820,967.52 and 210,215.72 is: 315,334.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,293.24 : 820,967.52 = 210,215.72 : x
  2. Step 2: Convert to fraction form
    547,293.24/820,967.52 = 210,215.72/x
  3. Step 3: Cross multiply
    547,293.24x = 820,967.52 × 210,215.72
  4. Step 4: Simplify right side
    547,293.24x = 172,580,278,313.41
  5. Step 5: Solve for x
    x = 172,580,278,313.41/547,293.24
  6. Step 6: Final answer
    x = 315,334.20

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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.