Home / 769,640.08-1,154,630.48-264,189.72

Finding the Fourth Proportional to 769,640.08, 1,154,630.48 and 264,189.72

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Solution

The fourth proportional to 769,640.08, 1,154,630.48 and 264,189.72 is: 396,343.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,640.08 : 1,154,630.48 = 264,189.72 : x
  2. Step 2: Convert to fraction form
    769,640.08/1,154,630.48 = 264,189.72/x
  3. Step 3: Cross multiply
    769,640.08x = 1,154,630.48 × 264,189.72
  4. Step 4: Simplify right side
    769,640.08x = 305,041,503,214.67
  5. Step 5: Solve for x
    x = 305,041,503,214.67/769,640.08
  6. Step 6: Final answer
    x = 396,343.06

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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.