Home / 726,786.40-1,090,228.20-247,007.20

Finding the Fourth Proportional to 726,786.40, 1,090,228.20 and 247,007.20

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Solution

The fourth proportional to 726,786.40, 1,090,228.20 and 247,007.20 is: 370,527.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,786.40 : 1,090,228.20 = 247,007.20 : x
  2. Step 2: Convert to fraction form
    726,786.40/1,090,228.20 = 247,007.20/x
  3. Step 3: Cross multiply
    726,786.40x = 1,090,228.20 × 247,007.20
  4. Step 4: Simplify right side
    726,786.40x = 269,294,215,043.04
  5. Step 5: Solve for x
    x = 269,294,215,043.04/726,786.40
  6. Step 6: Final answer
    x = 370,527.32

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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.