Home / 858,473.61-1,285,993.61-516,729.35

Finding the Fourth Proportional to 858,473.61, 1,285,993.61 and 516,729.35

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Solution

The fourth proportional to 858,473.61, 1,285,993.61 and 516,729.35 is: 774,060.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,473.61 : 1,285,993.61 = 516,729.35 : x
  2. Step 2: Convert to fraction form
    858,473.61/1,285,993.61 = 516,729.35/x
  3. Step 3: Cross multiply
    858,473.61x = 1,285,993.61 × 516,729.35
  4. Step 4: Simplify right side
    858,473.61x = 664,510,633,185.84
  5. Step 5: Solve for x
    x = 664,510,633,185.84/858,473.61
  6. Step 6: Final answer
    x = 774,060.64

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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.