Home / 808,165.88-1,114,998.18-521,879.48

Finding the Fourth Proportional to 808,165.88, 1,114,998.18 and 521,879.48

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Solution

The fourth proportional to 808,165.88, 1,114,998.18 and 521,879.48 is: 720,018.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,165.88 : 1,114,998.18 = 521,879.48 : x
  2. Step 2: Convert to fraction form
    808,165.88/1,114,998.18 = 521,879.48/x
  3. Step 3: Cross multiply
    808,165.88x = 1,114,998.18 × 521,879.48
  4. Step 4: Simplify right side
    808,165.88x = 581,894,670,379.35
  5. Step 5: Solve for x
    x = 581,894,670,379.35/808,165.88
  6. Step 6: Final answer
    x = 720,018.85

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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.