Home / 457,644.89-631,619.85-292,144.35

Finding the Fourth Proportional to 457,644.89, 631,619.85 and 292,144.35

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Solution

The fourth proportional to 457,644.89, 631,619.85 and 292,144.35 is: 403,203.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,644.89 : 631,619.85 = 292,144.35 : x
  2. Step 2: Convert to fraction form
    457,644.89/631,619.85 = 292,144.35/x
  3. Step 3: Cross multiply
    457,644.89x = 631,619.85 × 292,144.35
  4. Step 4: Simplify right side
    457,644.89x = 184,524,170,525.35
  5. Step 5: Solve for x
    x = 184,524,170,525.35/457,644.89
  6. Step 6: Final answer
    x = 403,203.83

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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.