Home / 547,783.80-821,629.32-187,925.08

Finding the Fourth Proportional to 547,783.80, 821,629.32 and 187,925.08

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Solution

The fourth proportional to 547,783.80, 821,629.32 and 187,925.08 is: 281,871.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,783.80 : 821,629.32 = 187,925.08 : x
  2. Step 2: Convert to fraction form
    547,783.80/821,629.32 = 187,925.08/x
  3. Step 3: Cross multiply
    547,783.80x = 821,629.32 × 187,925.08
  4. Step 4: Simplify right side
    547,783.80x = 154,404,755,691.35
  5. Step 5: Solve for x
    x = 154,404,755,691.35/547,783.80
  6. Step 6: Final answer
    x = 281,871.71

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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.