Home / 768,704.83-1,152,938.99-256,379.02

Finding the Fourth Proportional to 768,704.83, 1,152,938.99 and 256,379.02

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Solution

The fourth proportional to 768,704.83, 1,152,938.99 and 256,379.02 is: 384,529.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,704.83 : 1,152,938.99 = 256,379.02 : x
  2. Step 2: Convert to fraction form
    768,704.83/1,152,938.99 = 256,379.02/x
  3. Step 3: Cross multiply
    768,704.83x = 1,152,938.99 × 256,379.02
  4. Step 4: Simplify right side
    768,704.83x = 295,589,367,094.10
  5. Step 5: Solve for x
    x = 295,589,367,094.10/768,704.83
  6. Step 6: Final answer
    x = 384,529.09

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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.