Home / 768,002.60-1,152,003.90-269,301.80

Finding the Fourth Proportional to 768,002.60, 1,152,003.90 and 269,301.80

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Solution

The fourth proportional to 768,002.60, 1,152,003.90 and 269,301.80 is: 403,952.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,002.60 : 1,152,003.90 = 269,301.80 : x
  2. Step 2: Convert to fraction form
    768,002.60/1,152,003.90 = 269,301.80/x
  3. Step 3: Cross multiply
    768,002.60x = 1,152,003.90 × 269,301.80
  4. Step 4: Simplify right side
    768,002.60x = 310,236,723,877.02
  5. Step 5: Solve for x
    x = 310,236,723,877.02/768,002.60
  6. Step 6: Final answer
    x = 403,952.70

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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.