Home / 810,398.70-1,215,760.86-241,788.42

Finding the Fourth Proportional to 810,398.70, 1,215,760.86 and 241,788.42

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Solution

The fourth proportional to 810,398.70, 1,215,760.86 and 241,788.42 is: 362,731.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,398.70 : 1,215,760.86 = 241,788.42 : x
  2. Step 2: Convert to fraction form
    810,398.70/1,215,760.86 = 241,788.42/x
  3. Step 3: Cross multiply
    810,398.70x = 1,215,760.86 × 241,788.42
  4. Step 4: Simplify right side
    810,398.70x = 293,956,897,437.24
  5. Step 5: Solve for x
    x = 293,956,897,437.24/810,398.70
  6. Step 6: Final answer
    x = 362,731.21

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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.