Home / 720,942.49-1,081,475.24-188,462.66

Finding the Fourth Proportional to 720,942.49, 1,081,475.24 and 188,462.66

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Solution

The fourth proportional to 720,942.49, 1,081,475.24 and 188,462.66 is: 282,710.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,942.49 : 1,081,475.24 = 188,462.66 : x
  2. Step 2: Convert to fraction form
    720,942.49/1,081,475.24 = 188,462.66/x
  3. Step 3: Cross multiply
    720,942.49x = 1,081,475.24 × 188,462.66
  4. Step 4: Simplify right side
    720,942.49x = 203,817,700,454.54
  5. Step 5: Solve for x
    x = 203,817,700,454.54/720,942.49
  6. Step 6: Final answer
    x = 282,710.07

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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.