Home / 727,722.22-1,090,376.55-442,550.14

Finding the Fourth Proportional to 727,722.22, 1,090,376.55 and 442,550.14

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Solution

The fourth proportional to 727,722.22, 1,090,376.55 and 442,550.14 is: 663,091.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,722.22 : 1,090,376.55 = 442,550.14 : x
  2. Step 2: Convert to fraction form
    727,722.22/1,090,376.55 = 442,550.14/x
  3. Step 3: Cross multiply
    727,722.22x = 1,090,376.55 × 442,550.14
  4. Step 4: Simplify right side
    727,722.22x = 482,546,294,855.22
  5. Step 5: Solve for x
    x = 482,546,294,855.22/727,722.22
  6. Step 6: Final answer
    x = 663,091.33

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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.