Home / 809,089.51-1,213,831.85-269,344.74

Finding the Fourth Proportional to 809,089.51, 1,213,831.85 and 269,344.74

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Solution

The fourth proportional to 809,089.51, 1,213,831.85 and 269,344.74 is: 404,082.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,089.51 : 1,213,831.85 = 269,344.74 : x
  2. Step 2: Convert to fraction form
    809,089.51/1,213,831.85 = 269,344.74/x
  3. Step 3: Cross multiply
    809,089.51x = 1,213,831.85 × 269,344.74
  4. Step 4: Simplify right side
    809,089.51x = 326,939,224,041.97
  5. Step 5: Solve for x
    x = 326,939,224,041.97/809,089.51
  6. Step 6: Final answer
    x = 404,082.89

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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.