Home / 775,784.64-1,163,676.42-243,346.80

Finding the Fourth Proportional to 775,784.64, 1,163,676.42 and 243,346.80

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Solution

The fourth proportional to 775,784.64, 1,163,676.42 and 243,346.80 is: 365,020.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,784.64 : 1,163,676.42 = 243,346.80 : x
  2. Step 2: Convert to fraction form
    775,784.64/1,163,676.42 = 243,346.80/x
  3. Step 3: Cross multiply
    775,784.64x = 1,163,676.42 × 243,346.80
  4. Step 4: Simplify right side
    775,784.64x = 283,176,933,042.46
  5. Step 5: Solve for x
    x = 283,176,933,042.46/775,784.64
  6. Step 6: Final answer
    x = 365,020.03

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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.