Home / 662,223.80-993,335.70-395,847.20

Finding the Fourth Proportional to 662,223.80, 993,335.70 and 395,847.20

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Solution

The fourth proportional to 662,223.80, 993,335.70 and 395,847.20 is: 593,770.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,223.80 : 993,335.70 = 395,847.20 : x
  2. Step 2: Convert to fraction form
    662,223.80/993,335.70 = 395,847.20/x
  3. Step 3: Cross multiply
    662,223.80x = 993,335.70 × 395,847.20
  4. Step 4: Simplify right side
    662,223.80x = 393,209,155,505.04
  5. Step 5: Solve for x
    x = 393,209,155,505.04/662,223.80
  6. Step 6: Final answer
    x = 593,770.80

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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.