Home / 644,201.46-966,105.30-307,064.46

Finding the Fourth Proportional to 644,201.46, 966,105.30 and 307,064.46

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Solution

The fourth proportional to 644,201.46, 966,105.30 and 307,064.46 is: 460,502.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,201.46 : 966,105.30 = 307,064.46 : x
  2. Step 2: Convert to fraction form
    644,201.46/966,105.30 = 307,064.46/x
  3. Step 3: Cross multiply
    644,201.46x = 966,105.30 × 307,064.46
  4. Step 4: Simplify right side
    644,201.46x = 296,656,602,247.64
  5. Step 5: Solve for x
    x = 296,656,602,247.64/644,201.46
  6. Step 6: Final answer
    x = 460,502.84

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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.