Home / 400,579.21-552,622.66-239,353.57

Finding the Fourth Proportional to 400,579.21, 552,622.66 and 239,353.57

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Solution

The fourth proportional to 400,579.21, 552,622.66 and 239,353.57 is: 330,202.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,579.21 : 552,622.66 = 239,353.57 : x
  2. Step 2: Convert to fraction form
    400,579.21/552,622.66 = 239,353.57/x
  3. Step 3: Cross multiply
    400,579.21x = 552,622.66 × 239,353.57
  4. Step 4: Simplify right side
    400,579.21x = 132,272,206,533.90
  5. Step 5: Solve for x
    x = 132,272,206,533.90/400,579.21
  6. Step 6: Final answer
    x = 330,202.38

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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.