Home / 400,579.24-552,210.42-304,919.32

Finding the Fourth Proportional to 400,579.24, 552,210.42 and 304,919.32

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Solution

The fourth proportional to 400,579.24, 552,210.42 and 304,919.32 is: 420,340.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,579.24 : 552,210.42 = 304,919.32 : x
  2. Step 2: Convert to fraction form
    400,579.24/552,210.42 = 304,919.32/x
  3. Step 3: Cross multiply
    400,579.24x = 552,210.42 × 304,919.32
  4. Step 4: Simplify right side
    400,579.24x = 168,379,625,763.31
  5. Step 5: Solve for x
    x = 168,379,625,763.31/400,579.24
  6. Step 6: Final answer
    x = 420,340.37

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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.