Home / 499,628.80-689,504.16-273,274.24

Finding the Fourth Proportional to 499,628.80, 689,504.16 and 273,274.24

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Solution

The fourth proportional to 499,628.80, 689,504.16 and 273,274.24 is: 377,127.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,628.80 : 689,504.16 = 273,274.24 : x
  2. Step 2: Convert to fraction form
    499,628.80/689,504.16 = 273,274.24/x
  3. Step 3: Cross multiply
    499,628.80x = 689,504.16 × 273,274.24
  4. Step 4: Simplify right side
    499,628.80x = 188,423,725,300.84
  5. Step 5: Solve for x
    x = 188,423,725,300.84/499,628.80
  6. Step 6: Final answer
    x = 377,127.43

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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.