Home / 499,928.88-689,795.16-296,043.84

Finding the Fourth Proportional to 499,928.88, 689,795.16 and 296,043.84

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Solution

The fourth proportional to 499,928.88, 689,795.16 and 296,043.84 is: 408,477.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,928.88 : 689,795.16 = 296,043.84 : x
  2. Step 2: Convert to fraction form
    499,928.88/689,795.16 = 296,043.84/x
  3. Step 3: Cross multiply
    499,928.88x = 689,795.16 × 296,043.84
  4. Step 4: Simplify right side
    499,928.88x = 204,209,607,979.81
  5. Step 5: Solve for x
    x = 204,209,607,979.81/499,928.88
  6. Step 6: Final answer
    x = 408,477.32

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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.