Home / 859,434.60-1,289,346.30-504,265.80

Finding the Fourth Proportional to 859,434.60, 1,289,346.30 and 504,265.80

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Solution

The fourth proportional to 859,434.60, 1,289,346.30 and 504,265.80 is: 756,512.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,434.60 : 1,289,346.30 = 504,265.80 : x
  2. Step 2: Convert to fraction form
    859,434.60/1,289,346.30 = 504,265.80/x
  3. Step 3: Cross multiply
    859,434.60x = 1,289,346.30 × 504,265.80
  4. Step 4: Simplify right side
    859,434.60x = 650,173,243,446.54
  5. Step 5: Solve for x
    x = 650,173,243,446.54/859,434.60
  6. Step 6: Final answer
    x = 756,512.76

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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.