Home / 400,644.42-552,868.30-219,321.63

Finding the Fourth Proportional to 400,644.42, 552,868.30 and 219,321.63

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Solution

The fourth proportional to 400,644.42, 552,868.30 and 219,321.63 is: 302,652.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,644.42 : 552,868.30 = 219,321.63 : x
  2. Step 2: Convert to fraction form
    400,644.42/552,868.30 = 219,321.63/x
  3. Step 3: Cross multiply
    400,644.42x = 552,868.30 × 219,321.63
  4. Step 4: Simplify right side
    400,644.42x = 121,255,976,731.33
  5. Step 5: Solve for x
    x = 121,255,976,731.33/400,644.42
  6. Step 6: Final answer
    x = 302,652.35

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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.