Home / 787,516.20-1,181,447.10-254,946.60

Finding the Fourth Proportional to 787,516.20, 1,181,447.10 and 254,946.60

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Solution

The fourth proportional to 787,516.20, 1,181,447.10 and 254,946.60 is: 382,475.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,516.20 : 1,181,447.10 = 254,946.60 : x
  2. Step 2: Convert to fraction form
    787,516.20/1,181,447.10 = 254,946.60/x
  3. Step 3: Cross multiply
    787,516.20x = 1,181,447.10 × 254,946.60
  4. Step 4: Simplify right side
    787,516.20x = 301,205,921,224.86
  5. Step 5: Solve for x
    x = 301,205,921,224.86/787,516.20
  6. Step 6: Final answer
    x = 382,475.84

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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.