Home / 941,100.53-1,298,726.93-511,380.68

Finding the Fourth Proportional to 941,100.53, 1,298,726.93 and 511,380.68

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Solution

The fourth proportional to 941,100.53, 1,298,726.93 and 511,380.68 is: 705,709.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,100.53 : 1,298,726.93 = 511,380.68 : x
  2. Step 2: Convert to fraction form
    941,100.53/1,298,726.93 = 511,380.68/x
  3. Step 3: Cross multiply
    941,100.53x = 1,298,726.93 × 511,380.68
  4. Step 4: Simplify right side
    941,100.53x = 664,143,855,382.53
  5. Step 5: Solve for x
    x = 664,143,855,382.53/941,100.53
  6. Step 6: Final answer
    x = 705,709.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.