Home / 907,831.20-1,361,746.80-603,400.80

Finding the Fourth Proportional to 907,831.20, 1,361,746.80 and 603,400.80

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Solution

The fourth proportional to 907,831.20, 1,361,746.80 and 603,400.80 is: 905,101.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,831.20 : 1,361,746.80 = 603,400.80 : x
  2. Step 2: Convert to fraction form
    907,831.20/1,361,746.80 = 603,400.80/x
  3. Step 3: Cross multiply
    907,831.20x = 1,361,746.80 × 603,400.80
  4. Step 4: Simplify right side
    907,831.20x = 821,679,108,517.44
  5. Step 5: Solve for x
    x = 821,679,108,517.44/907,831.20
  6. Step 6: Final answer
    x = 905,101.20

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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.