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Finding the Fourth Proportional to 661,797.92, 913,283.28 and 359,991.84

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Solution

The fourth proportional to 661,797.92, 913,283.28 and 359,991.84 is: 496,789.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,797.92 : 913,283.28 = 359,991.84 : x
  2. Step 2: Convert to fraction form
    661,797.92/913,283.28 = 359,991.84/x
  3. Step 3: Cross multiply
    661,797.92x = 913,283.28 × 359,991.84
  4. Step 4: Simplify right side
    661,797.92x = 328,774,528,408.44
  5. Step 5: Solve for x
    x = 328,774,528,408.44/661,797.92
  6. Step 6: Final answer
    x = 496,789.91

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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.