Home / 405,494.24-607,844.10-225,665.40

Finding the Fourth Proportional to 405,494.24, 607,844.10 and 225,665.40

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Solution

The fourth proportional to 405,494.24, 607,844.10 and 225,665.40 is: 338,277.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,494.24 : 607,844.10 = 225,665.40 : x
  2. Step 2: Convert to fraction form
    405,494.24/607,844.10 = 225,665.40/x
  3. Step 3: Cross multiply
    405,494.24x = 607,844.10 × 225,665.40
  4. Step 4: Simplify right side
    405,494.24x = 137,169,381,964.14
  5. Step 5: Solve for x
    x = 137,169,381,964.14/405,494.24
  6. Step 6: Final answer
    x = 338,277.02

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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.