Home / 489,904.82-734,857.28-152,974.34

Finding the Fourth Proportional to 489,904.82, 734,857.28 and 152,974.34

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Solution

The fourth proportional to 489,904.82, 734,857.28 and 152,974.34 is: 229,461.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,904.82 : 734,857.28 = 152,974.34 : x
  2. Step 2: Convert to fraction form
    489,904.82/734,857.28 = 152,974.34/x
  3. Step 3: Cross multiply
    489,904.82x = 734,857.28 × 152,974.34
  4. Step 4: Simplify right side
    489,904.82x = 112,414,307,402.20
  5. Step 5: Solve for x
    x = 112,414,307,402.20/489,904.82
  6. Step 6: Final answer
    x = 229,461.53

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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.