Home / 761,932.80-1,142,380.80-362,764.80

Finding the Fourth Proportional to 761,932.80, 1,142,380.80 and 362,764.80

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Solution

The fourth proportional to 761,932.80, 1,142,380.80 and 362,764.80 is: 543,900.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,932.80 : 1,142,380.80 = 362,764.80 : x
  2. Step 2: Convert to fraction form
    761,932.80/1,142,380.80 = 362,764.80/x
  3. Step 3: Cross multiply
    761,932.80x = 1,142,380.80 × 362,764.80
  4. Step 4: Simplify right side
    761,932.80x = 414,415,542,435.84
  5. Step 5: Solve for x
    x = 414,415,542,435.84/761,932.80
  6. Step 6: Final answer
    x = 543,900.38

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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.