Home / 651,571.32-899,168.73-396,922.53

Finding the Fourth Proportional to 651,571.32, 899,168.73 and 396,922.53

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Solution

The fourth proportional to 651,571.32, 899,168.73 and 396,922.53 is: 547,753.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,571.32 : 899,168.73 = 396,922.53 : x
  2. Step 2: Convert to fraction form
    651,571.32/899,168.73 = 396,922.53/x
  3. Step 3: Cross multiply
    651,571.32x = 899,168.73 × 396,922.53
  4. Step 4: Simplify right side
    651,571.32x = 356,900,327,208.49
  5. Step 5: Solve for x
    x = 356,900,327,208.49/651,571.32
  6. Step 6: Final answer
    x = 547,753.28

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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.