Home / 868,438.86-1,302,674.69-269,419.56

Finding the Fourth Proportional to 868,438.86, 1,302,674.69 and 269,419.56

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Solution

The fourth proportional to 868,438.86, 1,302,674.69 and 269,419.56 is: 404,134.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,438.86 : 1,302,674.69 = 269,419.56 : x
  2. Step 2: Convert to fraction form
    868,438.86/1,302,674.69 = 269,419.56/x
  3. Step 3: Cross multiply
    868,438.86x = 1,302,674.69 × 269,419.56
  4. Step 4: Simplify right side
    868,438.86x = 350,966,041,802.94
  5. Step 5: Solve for x
    x = 350,966,041,802.94/868,438.86
  6. Step 6: Final answer
    x = 404,134.43

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Double scale
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1.5x scale

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.