Home / 400,577.22-552,806.29-219,288.59

Finding the Fourth Proportional to 400,577.22, 552,806.29 and 219,288.59

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Solution

The fourth proportional to 400,577.22, 552,806.29 and 219,288.59 is: 302,623.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,577.22 : 552,806.29 = 219,288.59 : x
  2. Step 2: Convert to fraction form
    400,577.22/552,806.29 = 219,288.59/x
  3. Step 3: Cross multiply
    400,577.22x = 552,806.29 × 219,288.59
  4. Step 4: Simplify right side
    400,577.22x = 121,224,111,877.23
  5. Step 5: Solve for x
    x = 121,224,111,877.23/400,577.22
  6. Step 6: Final answer
    x = 302,623.58

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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.