Home / 407,664.56-562,558.23-226,388.07

Finding the Fourth Proportional to 407,664.56, 562,558.23 and 226,388.07

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Solution

The fourth proportional to 407,664.56, 562,558.23 and 226,388.07 is: 312,405.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,664.56 : 562,558.23 = 226,388.07 : x
  2. Step 2: Convert to fraction form
    407,664.56/562,558.23 = 226,388.07/x
  3. Step 3: Cross multiply
    407,664.56x = 562,558.23 × 226,388.07
  4. Step 4: Simplify right side
    407,664.56x = 127,356,471,952.32
  5. Step 5: Solve for x
    x = 127,356,471,952.32/407,664.56
  6. Step 6: Final answer
    x = 312,405.06

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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.