Home / 847,224.20-1,270,490.70-285,969.80

Finding the Fourth Proportional to 847,224.20, 1,270,490.70 and 285,969.80

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Solution

The fourth proportional to 847,224.20, 1,270,490.70 and 285,969.80 is: 428,838.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,224.20 : 1,270,490.70 = 285,969.80 : x
  2. Step 2: Convert to fraction form
    847,224.20/1,270,490.70 = 285,969.80/x
  3. Step 3: Cross multiply
    847,224.20x = 1,270,490.70 × 285,969.80
  4. Step 4: Simplify right side
    847,224.20x = 363,321,971,380.86
  5. Step 5: Solve for x
    x = 363,321,971,380.86/847,224.20
  6. Step 6: Final answer
    x = 428,838.05

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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.