Home / 890,296.30-1,336,778.52-770,722.07

Finding the Fourth Proportional to 890,296.30, 1,336,778.52 and 770,722.07

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Solution

The fourth proportional to 890,296.30, 1,336,778.52 and 770,722.07 is: 1,157,238.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,296.30 : 1,336,778.52 = 770,722.07 : x
  2. Step 2: Convert to fraction form
    890,296.30/1,336,778.52 = 770,722.07/x
  3. Step 3: Cross multiply
    890,296.30x = 1,336,778.52 × 770,722.07
  4. Step 4: Simplify right side
    890,296.30x = 1,030,284,708,517.68
  5. Step 5: Solve for x
    x = 1,030,284,708,517.68/890,296.30
  6. Step 6: Final answer
    x = 1,157,238.00

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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.