Home / 661,929.60-992,557.44-324,995.52

Finding the Fourth Proportional to 661,929.60, 992,557.44 and 324,995.52

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Solution

The fourth proportional to 661,929.60, 992,557.44 and 324,995.52 is: 487,327.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,929.60 : 992,557.44 = 324,995.52 : x
  2. Step 2: Convert to fraction form
    661,929.60/992,557.44 = 324,995.52/x
  3. Step 3: Cross multiply
    661,929.60x = 992,557.44 × 324,995.52
  4. Step 4: Simplify right side
    661,929.60x = 322,576,721,342.67
  5. Step 5: Solve for x
    x = 322,576,721,342.67/661,929.60
  6. Step 6: Final answer
    x = 487,327.84

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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.