Home / 941,101.65-1,298,728.49-511,381.80

Finding the Fourth Proportional to 941,101.65, 1,298,728.49 and 511,381.80

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Solution

The fourth proportional to 941,101.65, 1,298,728.49 and 511,381.80 is: 705,711.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,101.65 : 1,298,728.49 = 511,381.80 : x
  2. Step 2: Convert to fraction form
    941,101.65/1,298,728.49 = 511,381.80/x
  3. Step 3: Cross multiply
    941,101.65x = 1,298,728.49 × 511,381.80
  4. Step 4: Simplify right side
    941,101.65x = 664,146,110,370.57
  5. Step 5: Solve for x
    x = 664,146,110,370.57/941,101.65
  6. Step 6: Final answer
    x = 705,711.34

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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.