Home / 644,094.40-964,670.04-307,371.48

Finding the Fourth Proportional to 644,094.40, 964,670.04 and 307,371.48

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Solution

The fourth proportional to 644,094.40, 964,670.04 and 307,371.48 is: 460,354.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,094.40 : 964,670.04 = 307,371.48 : x
  2. Step 2: Convert to fraction form
    644,094.40/964,670.04 = 307,371.48/x
  3. Step 3: Cross multiply
    644,094.40x = 964,670.04 × 307,371.48
  4. Step 4: Simplify right side
    644,094.40x = 296,512,057,906.46
  5. Step 5: Solve for x
    x = 296,512,057,906.46/644,094.40
  6. Step 6: Final answer
    x = 460,354.97

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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.