Home / 418,556.40-577,592.04-227,563.20

Finding the Fourth Proportional to 418,556.40, 577,592.04 and 227,563.20

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Solution

The fourth proportional to 418,556.40, 577,592.04 and 227,563.20 is: 314,028.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,556.40 : 577,592.04 = 227,563.20 : x
  2. Step 2: Convert to fraction form
    418,556.40/577,592.04 = 227,563.20/x
  3. Step 3: Cross multiply
    418,556.40x = 577,592.04 × 227,563.20
  4. Step 4: Simplify right side
    418,556.40x = 131,438,692,916.93
  5. Step 5: Solve for x
    x = 131,438,692,916.93/418,556.40
  6. Step 6: Final answer
    x = 314,028.63

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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.