Home / 775,479.78-1,163,220.07-243,042.27

Finding the Fourth Proportional to 775,479.78, 1,163,220.07 and 243,042.27

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Solution

The fourth proportional to 775,479.78, 1,163,220.07 and 243,042.27 is: 364,563.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,479.78 : 1,163,220.07 = 243,042.27 : x
  2. Step 2: Convert to fraction form
    775,479.78/1,163,220.07 = 243,042.27/x
  3. Step 3: Cross multiply
    775,479.78x = 1,163,220.07 × 243,042.27
  4. Step 4: Simplify right side
    775,479.78x = 282,711,646,322.36
  5. Step 5: Solve for x
    x = 282,711,646,322.36/775,479.78
  6. Step 6: Final answer
    x = 364,563.53

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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.