Home / 338,504.93-504,731.08-329,204.72

Finding the Fourth Proportional to 338,504.93, 504,731.08 and 329,204.72

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Solution

The fourth proportional to 338,504.93, 504,731.08 and 329,204.72 is: 490,863.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,504.93 : 504,731.08 = 329,204.72 : x
  2. Step 2: Convert to fraction form
    338,504.93/504,731.08 = 329,204.72/x
  3. Step 3: Cross multiply
    338,504.93x = 504,731.08 × 329,204.72
  4. Step 4: Simplify right side
    338,504.93x = 166,159,849,697.02
  5. Step 5: Solve for x
    x = 166,159,849,697.02/338,504.93
  6. Step 6: Final answer
    x = 490,863.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.