Home / 800,708.91-1,104,930.63-438,060.57

Finding the Fourth Proportional to 800,708.91, 1,104,930.63 and 438,060.57

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Solution

The fourth proportional to 800,708.91, 1,104,930.63 and 438,060.57 is: 604,497.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,708.91 : 1,104,930.63 = 438,060.57 : x
  2. Step 2: Convert to fraction form
    800,708.91/1,104,930.63 = 438,060.57/x
  3. Step 3: Cross multiply
    800,708.91x = 1,104,930.63 × 438,060.57
  4. Step 4: Simplify right side
    800,708.91x = 484,026,541,588.26
  5. Step 5: Solve for x
    x = 484,026,541,588.26/800,708.91
  6. Step 6: Final answer
    x = 604,497.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.