Home / 834,620.20-1,251,615.90-302,009.48

Finding the Fourth Proportional to 834,620.20, 1,251,615.90 and 302,009.48

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Solution

The fourth proportional to 834,620.20, 1,251,615.90 and 302,009.48 is: 452,900.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,620.20 : 1,251,615.90 = 302,009.48 : x
  2. Step 2: Convert to fraction form
    834,620.20/1,251,615.90 = 302,009.48/x
  3. Step 3: Cross multiply
    834,620.20x = 1,251,615.90 × 302,009.48
  4. Step 4: Simplify right side
    834,620.20x = 377,999,867,118.73
  5. Step 5: Solve for x
    x = 377,999,867,118.73/834,620.20
  6. Step 6: Final answer
    x = 452,900.45

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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.