Home / 847,399.05-1,271,098.16-216,312.66

Finding the Fourth Proportional to 847,399.05, 1,271,098.16 and 216,312.66

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Solution

The fourth proportional to 847,399.05, 1,271,098.16 and 216,312.66 is: 324,468.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,399.05 : 1,271,098.16 = 216,312.66 : x
  2. Step 2: Convert to fraction form
    847,399.05/1,271,098.16 = 216,312.66/x
  3. Step 3: Cross multiply
    847,399.05x = 1,271,098.16 × 216,312.66
  4. Step 4: Simplify right side
    847,399.05x = 274,954,624,110.71
  5. Step 5: Solve for x
    x = 274,954,624,110.71/847,399.05
  6. Step 6: Final answer
    x = 324,468.88

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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.