Home / 868,378.17-1,302,693.45-269,387.07

Finding the Fourth Proportional to 868,378.17, 1,302,693.45 and 269,387.07

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Solution

The fourth proportional to 868,378.17, 1,302,693.45 and 269,387.07 is: 404,119.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,378.17 : 1,302,693.45 = 269,387.07 : x
  2. Step 2: Convert to fraction form
    868,378.17/1,302,693.45 = 269,387.07/x
  3. Step 3: Cross multiply
    868,378.17x = 1,302,693.45 × 269,387.07
  4. Step 4: Simplify right side
    868,378.17x = 350,928,771,603.69
  5. Step 5: Solve for x
    x = 350,928,771,603.69/868,378.17
  6. Step 6: Final answer
    x = 404,119.75

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Double scale
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Similar ratio
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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.