Home / 644,091.64-964,665.92-307,368.74

Finding the Fourth Proportional to 644,091.64, 964,665.92 and 307,368.74

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Solution

The fourth proportional to 644,091.64, 964,665.92 and 307,368.74 is: 460,350.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,091.64 : 964,665.92 = 307,368.74 : x
  2. Step 2: Convert to fraction form
    644,091.64/964,665.92 = 307,368.74/x
  3. Step 3: Cross multiply
    644,091.64x = 964,665.92 × 307,368.74
  4. Step 4: Simplify right side
    644,091.64x = 296,508,151,531.43
  5. Step 5: Solve for x
    x = 296,508,151,531.43/644,091.64
  6. Step 6: Final answer
    x = 460,350.88

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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.