Home / 766,477.08-1,149,940.29-226,747.55

Finding the Fourth Proportional to 766,477.08, 1,149,940.29 and 226,747.55

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Solution

The fourth proportional to 766,477.08, 1,149,940.29 and 226,747.55 is: 340,187.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,477.08 : 1,149,940.29 = 226,747.55 : x
  2. Step 2: Convert to fraction form
    766,477.08/1,149,940.29 = 226,747.55/x
  3. Step 3: Cross multiply
    766,477.08x = 1,149,940.29 × 226,747.55
  4. Step 4: Simplify right side
    766,477.08x = 260,746,147,128.94
  5. Step 5: Solve for x
    x = 260,746,147,128.94/766,477.08
  6. Step 6: Final answer
    x = 340,187.79

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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.