Home / 667,179.36-1,000,618.94-307,004.72

Finding the Fourth Proportional to 667,179.36, 1,000,618.94 and 307,004.72

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Solution

The fourth proportional to 667,179.36, 1,000,618.94 and 307,004.72 is: 460,438.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,179.36 : 1,000,618.94 = 307,004.72 : x
  2. Step 2: Convert to fraction form
    667,179.36/1,000,618.94 = 307,004.72/x
  3. Step 3: Cross multiply
    667,179.36x = 1,000,618.94 × 307,004.72
  4. Step 4: Simplify right side
    667,179.36x = 307,194,730,963.28
  5. Step 5: Solve for x
    x = 307,194,730,963.28/667,179.36
  6. Step 6: Final answer
    x = 460,438.00

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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.