Home / 777,789.70-1,166,490.15-297,913.30

Finding the Fourth Proportional to 777,789.70, 1,166,490.15 and 297,913.30

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Solution

The fourth proportional to 777,789.70, 1,166,490.15 and 297,913.30 is: 446,795.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,789.70 : 1,166,490.15 = 297,913.30 : x
  2. Step 2: Convert to fraction form
    777,789.70/1,166,490.15 = 297,913.30/x
  3. Step 3: Cross multiply
    777,789.70x = 1,166,490.15 × 297,913.30
  4. Step 4: Simplify right side
    777,789.70x = 347,512,930,004.00
  5. Step 5: Solve for x
    x = 347,512,930,004.00/777,789.70
  6. Step 6: Final answer
    x = 446,795.49

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Double scale
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Similar ratio
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1.5x scale

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.