Home / 407,787.41-562,731.10-226,511.03

Finding the Fourth Proportional to 407,787.41, 562,731.10 and 226,511.03

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Solution

The fourth proportional to 407,787.41, 562,731.10 and 226,511.03 is: 312,576.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,787.41 : 562,731.10 = 226,511.03 : x
  2. Step 2: Convert to fraction form
    407,787.41/562,731.10 = 226,511.03/x
  3. Step 3: Cross multiply
    407,787.41x = 562,731.10 × 226,511.03
  4. Step 4: Simplify right side
    407,787.41x = 127,464,801,914.58
  5. Step 5: Solve for x
    x = 127,464,801,914.58/407,787.41
  6. Step 6: Final answer
    x = 312,576.60

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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.