Home / 547,741.09-820,933.39-310,364.11

Finding the Fourth Proportional to 547,741.09, 820,933.39 and 310,364.11

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Solution

The fourth proportional to 547,741.09, 820,933.39 and 310,364.11 is: 465,161.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,741.09 : 820,933.39 = 310,364.11 : x
  2. Step 2: Convert to fraction form
    547,741.09/820,933.39 = 310,364.11/x
  3. Step 3: Cross multiply
    547,741.09x = 820,933.39 × 310,364.11
  4. Step 4: Simplify right side
    547,741.09x = 254,788,260,956.63
  5. Step 5: Solve for x
    x = 254,788,260,956.63/547,741.09
  6. Step 6: Final answer
    x = 465,161.85

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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.