Home / 785,314.66-1,177,831.77-208,941.25

Finding the Fourth Proportional to 785,314.66, 1,177,831.77 and 208,941.25

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Solution

The fourth proportional to 785,314.66, 1,177,831.77 and 208,941.25 is: 313,374.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,314.66 : 1,177,831.77 = 208,941.25 : x
  2. Step 2: Convert to fraction form
    785,314.66/1,177,831.77 = 208,941.25/x
  3. Step 3: Cross multiply
    785,314.66x = 1,177,831.77 × 208,941.25
  4. Step 4: Simplify right side
    785,314.66x = 246,097,638,585.40
  5. Step 5: Solve for x
    x = 246,097,638,585.40/785,314.66
  6. Step 6: Final answer
    x = 313,374.56

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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.