Home / 853,955.61-1,280,913.00-277,578.17

Finding the Fourth Proportional to 853,955.61, 1,280,913.00 and 277,578.17

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Solution

The fourth proportional to 853,955.61, 1,280,913.00 and 277,578.17 is: 416,360.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,955.61 : 1,280,913.00 = 277,578.17 : x
  2. Step 2: Convert to fraction form
    853,955.61/1,280,913.00 = 277,578.17/x
  3. Step 3: Cross multiply
    853,955.61x = 1,280,913.00 × 277,578.17
  4. Step 4: Simplify right side
    853,955.61x = 355,553,485,350.92
  5. Step 5: Solve for x
    x = 355,553,485,350.92/853,955.61
  6. Step 6: Final answer
    x = 416,360.62

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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.