Home / 890,359.88-1,335,529.96-216,441.83

Finding the Fourth Proportional to 890,359.88, 1,335,529.96 and 216,441.83

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Solution

The fourth proportional to 890,359.88, 1,335,529.96 and 216,441.83 is: 324,660.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,359.88 : 1,335,529.96 = 216,441.83 : x
  2. Step 2: Convert to fraction form
    890,359.88/1,335,529.96 = 216,441.83/x
  3. Step 3: Cross multiply
    890,359.88x = 1,335,529.96 × 216,441.83
  4. Step 4: Simplify right side
    890,359.88x = 289,064,540,802.37
  5. Step 5: Solve for x
    x = 289,064,540,802.37/890,359.88
  6. Step 6: Final answer
    x = 324,660.34

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1.5x scale

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.