Home / 400,569.74-552,197.31-304,909.82

Finding the Fourth Proportional to 400,569.74, 552,197.31 and 304,909.82

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Solution

The fourth proportional to 400,569.74, 552,197.31 and 304,909.82 is: 420,327.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,569.74 : 552,197.31 = 304,909.82 : x
  2. Step 2: Convert to fraction form
    400,569.74/552,197.31 = 304,909.82/x
  3. Step 3: Cross multiply
    400,569.74x = 552,197.31 × 304,909.82
  4. Step 4: Simplify right side
    400,569.74x = 168,370,382,396.58
  5. Step 5: Solve for x
    x = 168,370,382,396.58/400,569.74
  6. Step 6: Final answer
    x = 420,327.26

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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.