Home / 946,379.87-1,306,118.82-538,580.91

Finding the Fourth Proportional to 946,379.87, 1,306,118.82 and 538,580.91

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Solution

The fourth proportional to 946,379.87, 1,306,118.82 and 538,580.91 is: 743,306.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,379.87 : 1,306,118.82 = 538,580.91 : x
  2. Step 2: Convert to fraction form
    946,379.87/1,306,118.82 = 538,580.91/x
  3. Step 3: Cross multiply
    946,379.87x = 1,306,118.82 × 538,580.91
  4. Step 4: Simplify right side
    946,379.87x = 703,450,662,643.73
  5. Step 5: Solve for x
    x = 703,450,662,643.73/946,379.87
  6. Step 6: Final answer
    x = 743,306.88

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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.