Home / 515,020.20-773,405.10-382,050.60

Finding the Fourth Proportional to 515,020.20, 773,405.10 and 382,050.60

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Solution

The fourth proportional to 515,020.20, 773,405.10 and 382,050.60 is: 573,724.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,020.20 : 773,405.10 = 382,050.60 : x
  2. Step 2: Convert to fraction form
    515,020.20/773,405.10 = 382,050.60/x
  3. Step 3: Cross multiply
    515,020.20x = 773,405.10 × 382,050.60
  4. Step 4: Simplify right side
    515,020.20x = 295,479,882,498.06
  5. Step 5: Solve for x
    x = 295,479,882,498.06/515,020.20
  6. Step 6: Final answer
    x = 573,724.84

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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.