Home / 678,292.11-935,984.07-372,367.26

Finding the Fourth Proportional to 678,292.11, 935,984.07 and 372,367.26

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Solution

The fourth proportional to 678,292.11, 935,984.07 and 372,367.26 is: 513,834.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,292.11 : 935,984.07 = 372,367.26 : x
  2. Step 2: Convert to fraction form
    678,292.11/935,984.07 = 372,367.26/x
  3. Step 3: Cross multiply
    678,292.11x = 935,984.07 × 372,367.26
  4. Step 4: Simplify right side
    678,292.11x = 348,529,824,945.93
  5. Step 5: Solve for x
    x = 348,529,824,945.93/678,292.11
  6. Step 6: Final answer
    x = 513,834.41

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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.