Home / 490,335.98-736,611.18-290,787.26

Finding the Fourth Proportional to 490,335.98, 736,611.18 and 290,787.26

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Solution

The fourth proportional to 490,335.98, 736,611.18 and 290,787.26 is: 436,837.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,335.98 : 736,611.18 = 290,787.26 : x
  2. Step 2: Convert to fraction form
    490,335.98/736,611.18 = 290,787.26/x
  3. Step 3: Cross multiply
    490,335.98x = 736,611.18 × 290,787.26
  4. Step 4: Simplify right side
    490,335.98x = 214,197,146,717.57
  5. Step 5: Solve for x
    x = 214,197,146,717.57/490,335.98
  6. Step 6: Final answer
    x = 436,837.51

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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.