Home / 537,569.92-741,831.56-305,039.21

Finding the Fourth Proportional to 537,569.92, 741,831.56 and 305,039.21

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Solution

The fourth proportional to 537,569.92, 741,831.56 and 305,039.21 is: 420,945.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,569.92 : 741,831.56 = 305,039.21 : x
  2. Step 2: Convert to fraction form
    537,569.92/741,831.56 = 305,039.21/x
  3. Step 3: Cross multiply
    537,569.92x = 741,831.56 × 305,039.21
  4. Step 4: Simplify right side
    537,569.92x = 226,287,713,015.47
  5. Step 5: Solve for x
    x = 226,287,713,015.47/537,569.92
  6. Step 6: Final answer
    x = 420,945.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.