Home / 418,795.40-577,935.05-227,809.55

Finding the Fourth Proportional to 418,795.40, 577,935.05 and 227,809.55

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Solution

The fourth proportional to 418,795.40, 577,935.05 and 227,809.55 is: 314,375.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,795.40 : 577,935.05 = 227,809.55 : x
  2. Step 2: Convert to fraction form
    418,795.40/577,935.05 = 227,809.55/x
  3. Step 3: Cross multiply
    418,795.40x = 577,935.05 × 227,809.55
  4. Step 4: Simplify right side
    418,795.40x = 131,659,119,641.01
  5. Step 5: Solve for x
    x = 131,659,119,641.01/418,795.40
  6. Step 6: Final answer
    x = 314,375.76

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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.