Home / 943,311.60-1,299,290.40-725,102.88

Finding the Fourth Proportional to 943,311.60, 1,299,290.40 and 725,102.88

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Solution

The fourth proportional to 943,311.60, 1,299,290.40 and 725,102.88 is: 998,735.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,311.60 : 1,299,290.40 = 725,102.88 : x
  2. Step 2: Convert to fraction form
    943,311.60/1,299,290.40 = 725,102.88/x
  3. Step 3: Cross multiply
    943,311.60x = 1,299,290.40 × 725,102.88
  4. Step 4: Simplify right side
    943,311.60x = 942,119,210,996.35
  5. Step 5: Solve for x
    x = 942,119,210,996.35/943,311.60
  6. Step 6: Final answer
    x = 998,735.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.