Home / 741,248.69-1,111,891.23-208,766.12

Finding the Fourth Proportional to 741,248.69, 1,111,891.23 and 208,766.12

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Solution

The fourth proportional to 741,248.69, 1,111,891.23 and 208,766.12 is: 313,154.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,248.69 : 1,111,891.23 = 208,766.12 : x
  2. Step 2: Convert to fraction form
    741,248.69/1,111,891.23 = 208,766.12/x
  3. Step 3: Cross multiply
    741,248.69x = 1,111,891.23 × 208,766.12
  4. Step 4: Simplify right side
    741,248.69x = 232,125,212,389.67
  5. Step 5: Solve for x
    x = 232,125,212,389.67/741,248.69
  6. Step 6: Final answer
    x = 313,154.30

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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.