Home / 808,098.46-1,212,139.68-309,462.46

Finding the Fourth Proportional to 808,098.46, 1,212,139.68 and 309,462.46

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Solution

The fourth proportional to 808,098.46, 1,212,139.68 and 309,462.46 is: 464,190.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,098.46 : 1,212,139.68 = 309,462.46 : x
  2. Step 2: Convert to fraction form
    808,098.46/1,212,139.68 = 309,462.46/x
  3. Step 3: Cross multiply
    808,098.46x = 1,212,139.68 × 309,462.46
  4. Step 4: Simplify right side
    808,098.46x = 375,111,727,236.41
  5. Step 5: Solve for x
    x = 375,111,727,236.41/808,098.46
  6. Step 6: Final answer
    x = 464,190.62

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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.