Home / 439,924.72-607,090.80-248,933.20

Finding the Fourth Proportional to 439,924.72, 607,090.80 and 248,933.20

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Solution

The fourth proportional to 439,924.72, 607,090.80 and 248,933.20 is: 343,524.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,924.72 : 607,090.80 = 248,933.20 : x
  2. Step 2: Convert to fraction form
    439,924.72/607,090.80 = 248,933.20/x
  3. Step 3: Cross multiply
    439,924.72x = 607,090.80 × 248,933.20
  4. Step 4: Simplify right side
    439,924.72x = 151,125,055,534.56
  5. Step 5: Solve for x
    x = 151,125,055,534.56/439,924.72
  6. Step 6: Final answer
    x = 343,524.81

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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.