Home / 763,770.22-1,143,910.19-364,690.51

Finding the Fourth Proportional to 763,770.22, 1,143,910.19 and 364,690.51

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Solution

The fourth proportional to 763,770.22, 1,143,910.19 and 364,690.51 is: 546,202.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,770.22 : 1,143,910.19 = 364,690.51 : x
  2. Step 2: Convert to fraction form
    763,770.22/1,143,910.19 = 364,690.51/x
  3. Step 3: Cross multiply
    763,770.22x = 1,143,910.19 × 364,690.51
  4. Step 4: Simplify right side
    763,770.22x = 417,173,190,585.30
  5. Step 5: Solve for x
    x = 417,173,190,585.30/763,770.22
  6. Step 6: Final answer
    x = 546,202.48

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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.