Home / 752,885.61-1,129,328.39-220,406.64

Finding the Fourth Proportional to 752,885.61, 1,129,328.39 and 220,406.64

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Solution

The fourth proportional to 752,885.61, 1,129,328.39 and 220,406.64 is: 330,609.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,885.61 : 1,129,328.39 = 220,406.64 : x
  2. Step 2: Convert to fraction form
    752,885.61/1,129,328.39 = 220,406.64/x
  3. Step 3: Cross multiply
    752,885.61x = 1,129,328.39 × 220,406.64
  4. Step 4: Simplify right side
    752,885.61x = 248,911,473,658.32
  5. Step 5: Solve for x
    x = 248,911,473,658.32/752,885.61
  6. Step 6: Final answer
    x = 330,609.95

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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.