Home / 727,155.43-1,090,782.98-247,187.92

Finding the Fourth Proportional to 727,155.43, 1,090,782.98 and 247,187.92

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Solution

The fourth proportional to 727,155.43, 1,090,782.98 and 247,187.92 is: 370,798.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,155.43 : 1,090,782.98 = 247,187.92 : x
  2. Step 2: Convert to fraction form
    727,155.43/1,090,782.98 = 247,187.92/x
  3. Step 3: Cross multiply
    727,155.43x = 1,090,782.98 × 247,187.92
  4. Step 4: Simplify right side
    727,155.43x = 269,628,374,761.66
  5. Step 5: Solve for x
    x = 269,628,374,761.66/727,155.43
  6. Step 6: Final answer
    x = 370,798.82

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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.