Home / 768,078.37-1,152,266.18-294,726.92

Finding the Fourth Proportional to 768,078.37, 1,152,266.18 and 294,726.92

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Solution

The fourth proportional to 768,078.37, 1,152,266.18 and 294,726.92 is: 442,147.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,078.37 : 1,152,266.18 = 294,726.92 : x
  2. Step 2: Convert to fraction form
    768,078.37/1,152,266.18 = 294,726.92/x
  3. Step 3: Cross multiply
    768,078.37x = 1,152,266.18 × 294,726.92
  4. Step 4: Simplify right side
    768,078.37x = 339,603,865,869.05
  5. Step 5: Solve for x
    x = 339,603,865,869.05/768,078.37
  6. Step 6: Final answer
    x = 442,147.42

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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.