Home / 820,077.16-1,229,975.54-220,898.19

Finding the Fourth Proportional to 820,077.16, 1,229,975.54 and 220,898.19

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Solution

The fourth proportional to 820,077.16, 1,229,975.54 and 220,898.19 is: 331,309.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,077.16 : 1,229,975.54 = 220,898.19 : x
  2. Step 2: Convert to fraction form
    820,077.16/1,229,975.54 = 220,898.19/x
  3. Step 3: Cross multiply
    820,077.16x = 1,229,975.54 × 220,898.19
  4. Step 4: Simplify right side
    820,077.16x = 271,699,373,881.33
  5. Step 5: Solve for x
    x = 271,699,373,881.33/820,077.16
  6. Step 6: Final answer
    x = 331,309.52

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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.