Home / 701,909.40-1,052,345.70-280,968.60

Finding the Fourth Proportional to 701,909.40, 1,052,345.70 and 280,968.60

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Solution

The fourth proportional to 701,909.40, 1,052,345.70 and 280,968.60 is: 421,245.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,909.40 : 1,052,345.70 = 280,968.60 : x
  2. Step 2: Convert to fraction form
    701,909.40/1,052,345.70 = 280,968.60/x
  3. Step 3: Cross multiply
    701,909.40x = 1,052,345.70 × 280,968.60
  4. Step 4: Simplify right side
    701,909.40x = 295,676,098,045.02
  5. Step 5: Solve for x
    x = 295,676,098,045.02/701,909.40
  6. Step 6: Final answer
    x = 421,245.39

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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.