Home / 913,933.29-1,261,226.93-511,525.29

Finding the Fourth Proportional to 913,933.29, 1,261,226.93 and 511,525.29

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Solution

The fourth proportional to 913,933.29, 1,261,226.93 and 511,525.29 is: 705,904.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,933.29 : 1,261,226.93 = 511,525.29 : x
  2. Step 2: Convert to fraction form
    913,933.29/1,261,226.93 = 511,525.29/x
  3. Step 3: Cross multiply
    913,933.29x = 1,261,226.93 × 511,525.29
  4. Step 4: Simplify right side
    913,933.29x = 645,149,468,566.43
  5. Step 5: Solve for x
    x = 645,149,468,566.43/913,933.29
  6. Step 6: Final answer
    x = 705,904.33

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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.