Home / 489,418.73-734,126.67-134,433.09

Finding the Fourth Proportional to 489,418.73, 734,126.67 and 134,433.09

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Solution

The fourth proportional to 489,418.73, 734,126.67 and 134,433.09 is: 201,649.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,418.73 : 734,126.67 = 134,433.09 : x
  2. Step 2: Convert to fraction form
    489,418.73/734,126.67 = 134,433.09/x
  3. Step 3: Cross multiply
    489,418.73x = 734,126.67 × 134,433.09
  4. Step 4: Simplify right side
    489,418.73x = 98,690,916,699.51
  5. Step 5: Solve for x
    x = 98,690,916,699.51/489,418.73
  6. Step 6: Final answer
    x = 201,649.24

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Similar ratio
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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.