Home / 785,261.46-1,177,751.86-208,887.86

Finding the Fourth Proportional to 785,261.46, 1,177,751.86 and 208,887.86

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Solution

The fourth proportional to 785,261.46, 1,177,751.86 and 208,887.86 is: 313,294.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,261.46 : 1,177,751.86 = 208,887.86 : x
  2. Step 2: Convert to fraction form
    785,261.46/1,177,751.86 = 208,887.86/x
  3. Step 3: Cross multiply
    785,261.46x = 1,177,751.86 × 208,887.86
  4. Step 4: Simplify right side
    785,261.46x = 246,018,068,068.58
  5. Step 5: Solve for x
    x = 246,018,068,068.58/785,261.46
  6. Step 6: Final answer
    x = 313,294.46

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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.