Home / 661,679.30-992,927.20-306,627.14

Finding the Fourth Proportional to 661,679.30, 992,927.20 and 306,627.14

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Solution

The fourth proportional to 661,679.30, 992,927.20 and 306,627.14 is: 460,129.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,679.30 : 992,927.20 = 306,627.14 : x
  2. Step 2: Convert to fraction form
    661,679.30/992,927.20 = 306,627.14/x
  3. Step 3: Cross multiply
    661,679.30x = 992,927.20 × 306,627.14
  4. Step 4: Simplify right side
    661,679.30x = 304,458,427,564.21
  5. Step 5: Solve for x
    x = 304,458,427,564.21/661,679.30
  6. Step 6: Final answer
    x = 460,129.90

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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.