Home / 878,002.94-1,317,129.93-270,842.54

Finding the Fourth Proportional to 878,002.94, 1,317,129.93 and 270,842.54

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Solution

The fourth proportional to 878,002.94, 1,317,129.93 and 270,842.54 is: 406,302.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,002.94 : 1,317,129.93 = 270,842.54 : x
  2. Step 2: Convert to fraction form
    878,002.94/1,317,129.93 = 270,842.54/x
  3. Step 3: Cross multiply
    878,002.94x = 1,317,129.93 × 270,842.54
  4. Step 4: Simplify right side
    878,002.94x = 356,734,809,165.57
  5. Step 5: Solve for x
    x = 356,734,809,165.57/878,002.94
  6. Step 6: Final answer
    x = 406,302.52

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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.