Home / 643,002.16-964,493.52-269,025.16

Finding the Fourth Proportional to 643,002.16, 964,493.52 and 269,025.16

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Solution

The fourth proportional to 643,002.16, 964,493.52 and 269,025.16 is: 403,533.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,002.16 : 964,493.52 = 269,025.16 : x
  2. Step 2: Convert to fraction form
    643,002.16/964,493.52 = 269,025.16/x
  3. Step 3: Cross multiply
    643,002.16x = 964,493.52 × 269,025.16
  4. Step 4: Simplify right side
    643,002.16x = 259,473,023,536.96
  5. Step 5: Solve for x
    x = 259,473,023,536.96/643,002.16
  6. Step 6: Final answer
    x = 403,533.67

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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.