Home / 350,578.04-482,780.40-304,617.02

Finding the Fourth Proportional to 350,578.04, 482,780.40 and 304,617.02

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Solution

The fourth proportional to 350,578.04, 482,780.40 and 304,617.02 is: 419,487.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,578.04 : 482,780.40 = 304,617.02 : x
  2. Step 2: Convert to fraction form
    350,578.04/482,780.40 = 304,617.02/x
  3. Step 3: Cross multiply
    350,578.04x = 482,780.40 × 304,617.02
  4. Step 4: Simplify right side
    350,578.04x = 147,063,126,762.41
  5. Step 5: Solve for x
    x = 147,063,126,762.41/350,578.04
  6. Step 6: Final answer
    x = 419,487.56

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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.