Home / 808,887.20-1,213,330.80-791,391.20

Finding the Fourth Proportional to 808,887.20, 1,213,330.80 and 791,391.20

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Solution

The fourth proportional to 808,887.20, 1,213,330.80 and 791,391.20 is: 1,187,086.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,887.20 : 1,213,330.80 = 791,391.20 : x
  2. Step 2: Convert to fraction form
    808,887.20/1,213,330.80 = 791,391.20/x
  3. Step 3: Cross multiply
    808,887.20x = 1,213,330.80 × 791,391.20
  4. Step 4: Simplify right side
    808,887.20x = 960,219,317,808.96
  5. Step 5: Solve for x
    x = 960,219,317,808.96/808,887.20
  6. Step 6: Final answer
    x = 1,187,086.80

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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.