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Finding the Fourth Proportional to 508,677.75, 702,048.39 and 304,737.37

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Solution

The fourth proportional to 508,677.75, 702,048.39 and 304,737.37 is: 420,581.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,677.75 : 702,048.39 = 304,737.37 : x
  2. Step 2: Convert to fraction form
    508,677.75/702,048.39 = 304,737.37/x
  3. Step 3: Cross multiply
    508,677.75x = 702,048.39 × 304,737.37
  4. Step 4: Simplify right side
    508,677.75x = 213,940,379,981.33
  5. Step 5: Solve for x
    x = 213,940,379,981.33/508,677.75
  6. Step 6: Final answer
    x = 420,581.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.