Home / 591,367.85-816,087.94-319,435.74

Finding the Fourth Proportional to 591,367.85, 816,087.94 and 319,435.74

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Solution

The fourth proportional to 591,367.85, 816,087.94 and 319,435.74 is: 440,821.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,367.85 : 816,087.94 = 319,435.74 : x
  2. Step 2: Convert to fraction form
    591,367.85/816,087.94 = 319,435.74/x
  3. Step 3: Cross multiply
    591,367.85x = 816,087.94 × 319,435.74
  4. Step 4: Simplify right side
    591,367.85x = 260,687,651,337.83
  5. Step 5: Solve for x
    x = 260,687,651,337.83/591,367.85
  6. Step 6: Final answer
    x = 440,821.48

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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.