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Finding the Fourth Proportional to 768,369.53, 1,152,610.02 and 295,054.90

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Solution

The fourth proportional to 768,369.53, 1,152,610.02 and 295,054.90 is: 442,603.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,369.53 : 1,152,610.02 = 295,054.90 : x
  2. Step 2: Convert to fraction form
    768,369.53/1,152,610.02 = 295,054.90/x
  3. Step 3: Cross multiply
    768,369.53x = 1,152,610.02 × 295,054.90
  4. Step 4: Simplify right side
    768,369.53x = 340,083,231,308.57
  5. Step 5: Solve for x
    x = 340,083,231,308.57/768,369.53
  6. Step 6: Final answer
    x = 442,603.74

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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.