Home / 389,156.05-584,563.78-366,403.73

Finding the Fourth Proportional to 389,156.05, 584,563.78 and 366,403.73

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Solution

The fourth proportional to 389,156.05, 584,563.78 and 366,403.73 is: 550,386.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,156.05 : 584,563.78 = 366,403.73 : x
  2. Step 2: Convert to fraction form
    389,156.05/584,563.78 = 366,403.73/x
  3. Step 3: Cross multiply
    389,156.05x = 584,563.78 × 366,403.73
  4. Step 4: Simplify right side
    389,156.05x = 214,186,349,414.90
  5. Step 5: Solve for x
    x = 214,186,349,414.90/389,156.05
  6. Step 6: Final answer
    x = 550,386.79

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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.