Home / 502,968.28-695,923.94-438,571.80

Finding the Fourth Proportional to 502,968.28, 695,923.94 and 438,571.80

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Solution

The fourth proportional to 502,968.28, 695,923.94 and 438,571.80 is: 606,822.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,968.28 : 695,923.94 = 438,571.80 : x
  2. Step 2: Convert to fraction form
    502,968.28/695,923.94 = 438,571.80/x
  3. Step 3: Cross multiply
    502,968.28x = 695,923.94 × 438,571.80
  4. Step 4: Simplify right side
    502,968.28x = 305,212,615,028.89
  5. Step 5: Solve for x
    x = 305,212,615,028.89/502,968.28
  6. Step 6: Final answer
    x = 606,822.79

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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.