Home / 769,784.10-1,154,388.98-264,201.62

Finding the Fourth Proportional to 769,784.10, 1,154,388.98 and 264,201.62

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Solution

The fourth proportional to 769,784.10, 1,154,388.98 and 264,201.62 is: 396,203.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,784.10 : 1,154,388.98 = 264,201.62 : x
  2. Step 2: Convert to fraction form
    769,784.10/1,154,388.98 = 264,201.62/x
  3. Step 3: Cross multiply
    769,784.10x = 1,154,388.98 × 264,201.62
  4. Step 4: Simplify right side
    769,784.10x = 304,991,438,626.15
  5. Step 5: Solve for x
    x = 304,991,438,626.15/769,784.10
  6. Step 6: Final answer
    x = 396,203.87

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1.5x scale

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.