Home / 438,739.47-658,318.19-304,011.32

Finding the Fourth Proportional to 438,739.47, 658,318.19 and 304,011.32

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Solution

The fourth proportional to 438,739.47, 658,318.19 and 304,011.32 is: 456,161.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,739.47 : 658,318.19 = 304,011.32 : x
  2. Step 2: Convert to fraction form
    438,739.47/658,318.19 = 304,011.32/x
  3. Step 3: Cross multiply
    438,739.47x = 658,318.19 × 304,011.32
  4. Step 4: Simplify right side
    438,739.47x = 200,136,177,110.26
  5. Step 5: Solve for x
    x = 200,136,177,110.26/438,739.47
  6. Step 6: Final answer
    x = 456,161.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.