Home / 710,447.68-1,066,091.82-261,483.88

Finding the Fourth Proportional to 710,447.68, 1,066,091.82 and 261,483.88

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Solution

The fourth proportional to 710,447.68, 1,066,091.82 and 261,483.88 is: 392,380.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,447.68 : 1,066,091.82 = 261,483.88 : x
  2. Step 2: Convert to fraction form
    710,447.68/1,066,091.82 = 261,483.88/x
  3. Step 3: Cross multiply
    710,447.68x = 1,066,091.82 × 261,483.88
  4. Step 4: Simplify right side
    710,447.68x = 278,765,825,529.86
  5. Step 5: Solve for x
    x = 278,765,825,529.86/710,447.68
  6. Step 6: Final answer
    x = 392,380.51

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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.