Home / 677,389.23-1,015,894.31-204,005.79

Finding the Fourth Proportional to 677,389.23, 1,015,894.31 and 204,005.79

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Solution

The fourth proportional to 677,389.23, 1,015,894.31 and 204,005.79 is: 305,951.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,389.23 : 1,015,894.31 = 204,005.79 : x
  2. Step 2: Convert to fraction form
    677,389.23/1,015,894.31 = 204,005.79/x
  3. Step 3: Cross multiply
    677,389.23x = 1,015,894.31 × 204,005.79
  4. Step 4: Simplify right side
    677,389.23x = 207,248,320,248.03
  5. Step 5: Solve for x
    x = 207,248,320,248.03/677,389.23
  6. Step 6: Final answer
    x = 305,951.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.