Home / 890,325.36-1,335,475.98-216,404.64

Finding the Fourth Proportional to 890,325.36, 1,335,475.98 and 216,404.64

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Solution

The fourth proportional to 890,325.36, 1,335,475.98 and 216,404.64 is: 324,604.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,325.36 : 1,335,475.98 = 216,404.64 : x
  2. Step 2: Convert to fraction form
    890,325.36/1,335,475.98 = 216,404.64/x
  3. Step 3: Cross multiply
    890,325.36x = 1,335,475.98 × 216,404.64
  4. Step 4: Simplify right side
    890,325.36x = 289,003,198,680.55
  5. Step 5: Solve for x
    x = 289,003,198,680.55/890,325.36
  6. Step 6: Final answer
    x = 324,604.03

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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.