Home / 839,806.40-1,260,001.20-366,831.20

Finding the Fourth Proportional to 839,806.40, 1,260,001.20 and 366,831.20

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Solution

The fourth proportional to 839,806.40, 1,260,001.20 and 366,831.20 is: 550,374.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,806.40 : 1,260,001.20 = 366,831.20 : x
  2. Step 2: Convert to fraction form
    839,806.40/1,260,001.20 = 366,831.20/x
  3. Step 3: Cross multiply
    839,806.40x = 1,260,001.20 × 366,831.20
  4. Step 4: Simplify right side
    839,806.40x = 462,207,752,197.44
  5. Step 5: Solve for x
    x = 462,207,752,197.44/839,806.40
  6. Step 6: Final answer
    x = 550,374.17

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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.