Home / 809,280.52-1,214,077.02-310,605.64

Finding the Fourth Proportional to 809,280.52, 1,214,077.02 and 310,605.64

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Solution

The fourth proportional to 809,280.52, 1,214,077.02 and 310,605.64 is: 465,968.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,280.52 : 1,214,077.02 = 310,605.64 : x
  2. Step 2: Convert to fraction form
    809,280.52/1,214,077.02 = 310,605.64/x
  3. Step 3: Cross multiply
    809,280.52x = 1,214,077.02 × 310,605.64
  4. Step 4: Simplify right side
    809,280.52x = 377,099,169,806.39
  5. Step 5: Solve for x
    x = 377,099,169,806.39/809,280.52
  6. Step 6: Final answer
    x = 465,968.43

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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.