Home / 814,368.20-1,220,961.66-547,466.60

Finding the Fourth Proportional to 814,368.20, 1,220,961.66 and 547,466.60

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Solution

The fourth proportional to 814,368.20, 1,220,961.66 and 547,466.60 is: 820,802.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,368.20 : 1,220,961.66 = 547,466.60 : x
  2. Step 2: Convert to fraction form
    814,368.20/1,220,961.66 = 547,466.60/x
  3. Step 3: Cross multiply
    814,368.20x = 1,220,961.66 × 547,466.60
  4. Step 4: Simplify right side
    814,368.20x = 668,435,728,730.56
  5. Step 5: Solve for x
    x = 668,435,728,730.56/814,368.20
  6. Step 6: Final answer
    x = 820,802.84

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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.