Home / 690,707.40-1,036,201.23-217,282.65

Finding the Fourth Proportional to 690,707.40, 1,036,201.23 and 217,282.65

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Solution

The fourth proportional to 690,707.40, 1,036,201.23 and 217,282.65 is: 325,968.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,707.40 : 1,036,201.23 = 217,282.65 : x
  2. Step 2: Convert to fraction form
    690,707.40/1,036,201.23 = 217,282.65/x
  3. Step 3: Cross multiply
    690,707.40x = 1,036,201.23 × 217,282.65
  4. Step 4: Simplify right side
    690,707.40x = 225,148,549,187.66
  5. Step 5: Solve for x
    x = 225,148,549,187.66/690,707.40
  6. Step 6: Final answer
    x = 325,968.06

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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.