Home / 941,290.28-1,298,990.64-511,570.43

Finding the Fourth Proportional to 941,290.28, 1,298,990.64 and 511,570.43

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Solution

The fourth proportional to 941,290.28, 1,298,990.64 and 511,570.43 is: 705,972.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,290.28 : 1,298,990.64 = 511,570.43 : x
  2. Step 2: Convert to fraction form
    941,290.28/1,298,990.64 = 511,570.43/x
  3. Step 3: Cross multiply
    941,290.28x = 1,298,990.64 × 511,570.43
  4. Step 4: Simplify right side
    941,290.28x = 664,525,193,775.82
  5. Step 5: Solve for x
    x = 664,525,193,775.82/941,290.28
  6. Step 6: Final answer
    x = 705,972.65

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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.