Home / 400,569.21-552,608.87-239,343.57

Finding the Fourth Proportional to 400,569.21, 552,608.87 and 239,343.57

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Solution

The fourth proportional to 400,569.21, 552,608.87 and 239,343.57 is: 330,188.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,569.21 : 552,608.87 = 239,343.57 : x
  2. Step 2: Convert to fraction form
    400,569.21/552,608.87 = 239,343.57/x
  3. Step 3: Cross multiply
    400,569.21x = 552,608.87 × 239,343.57
  4. Step 4: Simplify right side
    400,569.21x = 132,263,378,562.75
  5. Step 5: Solve for x
    x = 132,263,378,562.75/400,569.21
  6. Step 6: Final answer
    x = 330,188.58

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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.