Home / 689,295.10-1,033,305.44-369,669.14

Finding the Fourth Proportional to 689,295.10, 1,033,305.44 and 369,669.14

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Solution

The fourth proportional to 689,295.10, 1,033,305.44 and 369,669.14 is: 554,161.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,295.10 : 1,033,305.44 = 369,669.14 : x
  2. Step 2: Convert to fraction form
    689,295.10/1,033,305.44 = 369,669.14/x
  3. Step 3: Cross multiply
    689,295.10x = 1,033,305.44 × 369,669.14
  4. Step 4: Simplify right side
    689,295.10x = 381,981,133,362.12
  5. Step 5: Solve for x
    x = 381,981,133,362.12/689,295.10
  6. Step 6: Final answer
    x = 554,161.97

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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.