Home / 701,904.40-1,052,338.20-280,963.60

Finding the Fourth Proportional to 701,904.40, 1,052,338.20 and 280,963.60

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Solution

The fourth proportional to 701,904.40, 1,052,338.20 and 280,963.60 is: 421,237.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,904.40 : 1,052,338.20 = 280,963.60 : x
  2. Step 2: Convert to fraction form
    701,904.40/1,052,338.20 = 280,963.60/x
  3. Step 3: Cross multiply
    701,904.40x = 1,052,338.20 × 280,963.60
  4. Step 4: Simplify right side
    701,904.40x = 295,668,729,089.52
  5. Step 5: Solve for x
    x = 295,668,729,089.52/701,904.40
  6. Step 6: Final answer
    x = 421,237.89

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1.5x scale

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.