Home / 440,453.67-660,593.03-215,717.55

Finding the Fourth Proportional to 440,453.67, 660,593.03 and 215,717.55

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Solution

The fourth proportional to 440,453.67, 660,593.03 and 215,717.55 is: 323,533.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,453.67 : 660,593.03 = 215,717.55 : x
  2. Step 2: Convert to fraction form
    440,453.67/660,593.03 = 215,717.55/x
  3. Step 3: Cross multiply
    440,453.67x = 660,593.03 × 215,717.55
  4. Step 4: Simplify right side
    440,453.67x = 142,501,508,900.09
  5. Step 5: Solve for x
    x = 142,501,508,900.09/440,453.67
  6. Step 6: Final answer
    x = 323,533.48

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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.