Home / 789,831.88-1,088,834.34-563,083.72

Finding the Fourth Proportional to 789,831.88, 1,088,834.34 and 563,083.72

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Solution

The fourth proportional to 789,831.88, 1,088,834.34 and 563,083.72 is: 776,247.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,831.88 : 1,088,834.34 = 563,083.72 : x
  2. Step 2: Convert to fraction form
    789,831.88/1,088,834.34 = 563,083.72/x
  3. Step 3: Cross multiply
    789,831.88x = 1,088,834.34 × 563,083.72
  4. Step 4: Simplify right side
    789,831.88x = 613,104,890,630.95
  5. Step 5: Solve for x
    x = 613,104,890,630.95/789,831.88
  6. Step 6: Final answer
    x = 776,247.33

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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.