Home / 400,570.24-552,198-304,910.32

Finding the Fourth Proportional to 400,570.24, 552,198 and 304,910.32

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Solution

The fourth proportional to 400,570.24, 552,198 and 304,910.32 is: 420,327.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,570.24 : 552,198 = 304,910.32 : x
  2. Step 2: Convert to fraction form
    400,570.24/552,198 = 304,910.32/x
  3. Step 3: Cross multiply
    400,570.24x = 552,198 × 304,910.32
  4. Step 4: Simplify right side
    400,570.24x = 168,370,868,883.36
  5. Step 5: Solve for x
    x = 168,370,868,883.36/400,570.24
  6. Step 6: Final answer
    x = 420,327.95

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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.