Home / 946,449.65-1,306,093.69-516,729.78

Finding the Fourth Proportional to 946,449.65, 1,306,093.69 and 516,729.78

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Solution

The fourth proportional to 946,449.65, 1,306,093.69 and 516,729.78 is: 713,083.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,449.65 : 1,306,093.69 = 516,729.78 : x
  2. Step 2: Convert to fraction form
    946,449.65/1,306,093.69 = 516,729.78/x
  3. Step 3: Cross multiply
    946,449.65x = 1,306,093.69 × 516,729.78
  4. Step 4: Simplify right side
    946,449.65x = 674,897,498,562.62
  5. Step 5: Solve for x
    x = 674,897,498,562.62/946,449.65
  6. Step 6: Final answer
    x = 713,083.36

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1.5x scale

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.