Home / 420,911.44-580,848.24-229,925.68

Finding the Fourth Proportional to 420,911.44, 580,848.24 and 229,925.68

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Solution

The fourth proportional to 420,911.44, 580,848.24 and 229,925.68 is: 317,292.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,911.44 : 580,848.24 = 229,925.68 : x
  2. Step 2: Convert to fraction form
    420,911.44/580,848.24 = 229,925.68/x
  3. Step 3: Cross multiply
    420,911.44x = 580,848.24 × 229,925.68
  4. Step 4: Simplify right side
    420,911.44x = 133,551,926,558.80
  5. Step 5: Solve for x
    x = 133,551,926,558.80/420,911.44
  6. Step 6: Final answer
    x = 317,292.22

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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.