Home / 906,005.25-1,359,016.08-274,919.06

Finding the Fourth Proportional to 906,005.25, 1,359,016.08 and 274,919.06

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Solution

The fourth proportional to 906,005.25, 1,359,016.08 and 274,919.06 is: 412,381.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,005.25 : 1,359,016.08 = 274,919.06 : x
  2. Step 2: Convert to fraction form
    906,005.25/1,359,016.08 = 274,919.06/x
  3. Step 3: Cross multiply
    906,005.25x = 1,359,016.08 × 274,919.06
  4. Step 4: Simplify right side
    906,005.25x = 373,619,425,605.08
  5. Step 5: Solve for x
    x = 373,619,425,605.08/906,005.25
  6. Step 6: Final answer
    x = 412,381.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.