Home / 690,707.41-1,036,201.24-217,282.66

Finding the Fourth Proportional to 690,707.41, 1,036,201.24 and 217,282.66

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Solution

The fourth proportional to 690,707.41, 1,036,201.24 and 217,282.66 is: 325,968.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,707.41 : 1,036,201.24 = 217,282.66 : x
  2. Step 2: Convert to fraction form
    690,707.41/1,036,201.24 = 217,282.66/x
  3. Step 3: Cross multiply
    690,707.41x = 1,036,201.24 × 217,282.66
  4. Step 4: Simplify right side
    690,707.41x = 225,148,556,541.49
  5. Step 5: Solve for x
    x = 225,148,556,541.49/690,707.41
  6. Step 6: Final answer
    x = 325,968.07

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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.