Home / 457,347.44-631,127.20-263,750.55

Finding the Fourth Proportional to 457,347.44, 631,127.20 and 263,750.55

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Solution

The fourth proportional to 457,347.44, 631,127.20 and 263,750.55 is: 363,968.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,347.44 : 631,127.20 = 263,750.55 : x
  2. Step 2: Convert to fraction form
    457,347.44/631,127.20 = 263,750.55/x
  3. Step 3: Cross multiply
    457,347.44x = 631,127.20 × 263,750.55
  4. Step 4: Simplify right side
    457,347.44x = 166,460,146,119.96
  5. Step 5: Solve for x
    x = 166,460,146,119.96/457,347.44
  6. Step 6: Final answer
    x = 363,968.68

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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.