Home / 776,393.36-1,162,723.80-442,958.48

Finding the Fourth Proportional to 776,393.36, 1,162,723.80 and 442,958.48

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Solution

The fourth proportional to 776,393.36, 1,162,723.80 and 442,958.48 is: 663,372.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,393.36 : 1,162,723.80 = 442,958.48 : x
  2. Step 2: Convert to fraction form
    776,393.36/1,162,723.80 = 442,958.48/x
  3. Step 3: Cross multiply
    776,393.36x = 1,162,723.80 × 442,958.48
  4. Step 4: Simplify right side
    776,393.36x = 515,038,367,107.82
  5. Step 5: Solve for x
    x = 515,038,367,107.82/776,393.36
  6. Step 6: Final answer
    x = 663,372.97

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1.5x scale

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.