Home / 853,356.18-1,280,033.86-254,302.05

Finding the Fourth Proportional to 853,356.18, 1,280,033.86 and 254,302.05

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Solution

The fourth proportional to 853,356.18, 1,280,033.86 and 254,302.05 is: 381,452.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,356.18 : 1,280,033.86 = 254,302.05 : x
  2. Step 2: Convert to fraction form
    853,356.18/1,280,033.86 = 254,302.05/x
  3. Step 3: Cross multiply
    853,356.18x = 1,280,033.86 × 254,302.05
  4. Step 4: Simplify right side
    853,356.18x = 325,515,234,667.41
  5. Step 5: Solve for x
    x = 325,515,234,667.41/853,356.18
  6. Step 6: Final answer
    x = 381,452.95

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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.