Home / 407,748.20-562,696.07-226,463.31

Finding the Fourth Proportional to 407,748.20, 562,696.07 and 226,463.31

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Solution

The fourth proportional to 407,748.20, 562,696.07 and 226,463.31 is: 312,521.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,748.20 : 562,696.07 = 226,463.31 : x
  2. Step 2: Convert to fraction form
    407,748.20/562,696.07 = 226,463.31/x
  3. Step 3: Cross multiply
    407,748.20x = 562,696.07 × 226,463.31
  4. Step 4: Simplify right side
    407,748.20x = 127,430,013,403.88
  5. Step 5: Solve for x
    x = 127,430,013,403.88/407,748.20
  6. Step 6: Final answer
    x = 312,521.34

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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.