Home / 519,623.80-779,273.70-204,177.40

Finding the Fourth Proportional to 519,623.80, 779,273.70 and 204,177.40

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Solution

The fourth proportional to 519,623.80, 779,273.70 and 204,177.40 is: 306,202.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,623.80 : 779,273.70 = 204,177.40 : x
  2. Step 2: Convert to fraction form
    519,623.80/779,273.70 = 204,177.40/x
  3. Step 3: Cross multiply
    519,623.80x = 779,273.70 × 204,177.40
  4. Step 4: Simplify right side
    519,623.80x = 159,110,077,954.38
  5. Step 5: Solve for x
    x = 159,110,077,954.38/519,623.80
  6. Step 6: Final answer
    x = 306,202.44

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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.