Home / 902,523.06-1,245,537.81-500,115.06

Finding the Fourth Proportional to 902,523.06, 1,245,537.81 and 500,115.06

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Solution

The fourth proportional to 902,523.06, 1,245,537.81 and 500,115.06 is: 690,189.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,523.06 : 1,245,537.81 = 500,115.06 : x
  2. Step 2: Convert to fraction form
    902,523.06/1,245,537.81 = 500,115.06/x
  3. Step 3: Cross multiply
    902,523.06x = 1,245,537.81 × 500,115.06
  4. Step 4: Simplify right side
    902,523.06x = 622,912,216,580.42
  5. Step 5: Solve for x
    x = 622,912,216,580.42/902,523.06
  6. Step 6: Final answer
    x = 690,189.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.