Home / 913,677.68-1,370,796.96-408,663.56

Finding the Fourth Proportional to 913,677.68, 1,370,796.96 and 408,663.56

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Solution

The fourth proportional to 913,677.68, 1,370,796.96 and 408,663.56 is: 613,120.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,677.68 : 1,370,796.96 = 408,663.56 : x
  2. Step 2: Convert to fraction form
    913,677.68/1,370,796.96 = 408,663.56/x
  3. Step 3: Cross multiply
    913,677.68x = 1,370,796.96 × 408,663.56
  4. Step 4: Simplify right side
    913,677.68x = 560,194,765,710.78
  5. Step 5: Solve for x
    x = 560,194,765,710.78/913,677.68
  6. Step 6: Final answer
    x = 613,120.77

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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.