Home / 763,081.20-1,144,801.62-230,606.64

Finding the Fourth Proportional to 763,081.20, 1,144,801.62 and 230,606.64

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Solution

The fourth proportional to 763,081.20, 1,144,801.62 and 230,606.64 is: 345,964.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,081.20 : 1,144,801.62 = 230,606.64 : x
  2. Step 2: Convert to fraction form
    763,081.20/1,144,801.62 = 230,606.64/x
  3. Step 3: Cross multiply
    763,081.20x = 1,144,801.62 × 230,606.64
  4. Step 4: Simplify right side
    763,081.20x = 263,998,855,054.76
  5. Step 5: Solve for x
    x = 263,998,855,054.76/763,081.20
  6. Step 6: Final answer
    x = 345,964.30

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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.