Home / 878,182.50-1,317,276.99-213,334.50

Finding the Fourth Proportional to 878,182.50, 1,317,276.99 and 213,334.50

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Solution

The fourth proportional to 878,182.50, 1,317,276.99 and 213,334.50 is: 320,002.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,182.50 : 1,317,276.99 = 213,334.50 : x
  2. Step 2: Convert to fraction form
    878,182.50/1,317,276.99 = 213,334.50/x
  3. Step 3: Cross multiply
    878,182.50x = 1,317,276.99 × 213,334.50
  4. Step 4: Simplify right side
    878,182.50x = 281,020,628,023.16
  5. Step 5: Solve for x
    x = 281,020,628,023.16/878,182.50
  6. Step 6: Final answer
    x = 320,002.54

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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.