Home / 777,746.70-1,166,620.05-663,585.30

Finding the Fourth Proportional to 777,746.70, 1,166,620.05 and 663,585.30

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Solution

The fourth proportional to 777,746.70, 1,166,620.05 and 663,585.30 is: 995,377.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,746.70 : 1,166,620.05 = 663,585.30 : x
  2. Step 2: Convert to fraction form
    777,746.70/1,166,620.05 = 663,585.30/x
  3. Step 3: Cross multiply
    777,746.70x = 1,166,620.05 × 663,585.30
  4. Step 4: Simplify right side
    777,746.70x = 774,151,915,865.27
  5. Step 5: Solve for x
    x = 774,151,915,865.27/777,746.70
  6. Step 6: Final answer
    x = 995,377.95

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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.