Home / 890,059.80-1,335,071.22-216,144.63

Finding the Fourth Proportional to 890,059.80, 1,335,071.22 and 216,144.63

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Solution

The fourth proportional to 890,059.80, 1,335,071.22 and 216,144.63 is: 324,212.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,059.80 : 1,335,071.22 = 216,144.63 : x
  2. Step 2: Convert to fraction form
    890,059.80/1,335,071.22 = 216,144.63/x
  3. Step 3: Cross multiply
    890,059.80x = 1,335,071.22 × 216,144.63
  4. Step 4: Simplify right side
    890,059.80x = 288,568,474,870.55
  5. Step 5: Solve for x
    x = 288,568,474,870.55/890,059.80
  6. Step 6: Final answer
    x = 324,212.46

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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.