Home / 727,571.16-1,003,687.11-486,177.48

Finding the Fourth Proportional to 727,571.16, 1,003,687.11 and 486,177.48

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Solution

The fourth proportional to 727,571.16, 1,003,687.11 and 486,177.48 is: 670,683.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,571.16 : 1,003,687.11 = 486,177.48 : x
  2. Step 2: Convert to fraction form
    727,571.16/1,003,687.11 = 486,177.48/x
  3. Step 3: Cross multiply
    727,571.16x = 1,003,687.11 × 486,177.48
  4. Step 4: Simplify right side
    727,571.16x = 487,970,069,848.28
  5. Step 5: Solve for x
    x = 487,970,069,848.28/727,571.16
  6. Step 6: Final answer
    x = 670,683.63

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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.