Home / 701,402.22-1,052,015.85-280,681.74

Finding the Fourth Proportional to 701,402.22, 1,052,015.85 and 280,681.74

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Solution

The fourth proportional to 701,402.22, 1,052,015.85 and 280,681.74 is: 420,987.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,402.22 : 1,052,015.85 = 280,681.74 : x
  2. Step 2: Convert to fraction form
    701,402.22/1,052,015.85 = 280,681.74/x
  3. Step 3: Cross multiply
    701,402.22x = 1,052,015.85 × 280,681.74
  4. Step 4: Simplify right side
    701,402.22x = 295,281,639,285.58
  5. Step 5: Solve for x
    x = 295,281,639,285.58/701,402.22
  6. Step 6: Final answer
    x = 420,987.60

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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.