Home / 543,904.38-815,850.50-330,731.01

Finding the Fourth Proportional to 543,904.38, 815,850.50 and 330,731.01

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Solution

The fourth proportional to 543,904.38, 815,850.50 and 330,731.01 is: 496,092.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,904.38 : 815,850.50 = 330,731.01 : x
  2. Step 2: Convert to fraction form
    543,904.38/815,850.50 = 330,731.01/x
  3. Step 3: Cross multiply
    543,904.38x = 815,850.50 × 330,731.01
  4. Step 4: Simplify right side
    543,904.38x = 269,827,058,220.35
  5. Step 5: Solve for x
    x = 269,827,058,220.35/543,904.38
  6. Step 6: Final answer
    x = 496,092.82

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1.5x scale

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.