Home / 775,309.16-1,163,683.38-396,500.60

Finding the Fourth Proportional to 775,309.16, 1,163,683.38 and 396,500.60

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Solution

The fourth proportional to 775,309.16, 1,163,683.38 and 396,500.60 is: 595,118.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,309.16 : 1,163,683.38 = 396,500.60 : x
  2. Step 2: Convert to fraction form
    775,309.16/1,163,683.38 = 396,500.60/x
  3. Step 3: Cross multiply
    775,309.16x = 1,163,683.38 × 396,500.60
  4. Step 4: Simplify right side
    775,309.16x = 461,401,158,380.03
  5. Step 5: Solve for x
    x = 461,401,158,380.03/775,309.16
  6. Step 6: Final answer
    x = 595,118.93

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Double scale
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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.