Home / 787,107.60-1,179,300.60-365,518.80

Finding the Fourth Proportional to 787,107.60, 1,179,300.60 and 365,518.80

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Solution

The fourth proportional to 787,107.60, 1,179,300.60 and 365,518.80 is: 547,646.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,107.60 : 1,179,300.60 = 365,518.80 : x
  2. Step 2: Convert to fraction form
    787,107.60/1,179,300.60 = 365,518.80/x
  3. Step 3: Cross multiply
    787,107.60x = 1,179,300.60 × 365,518.80
  4. Step 4: Simplify right side
    787,107.60x = 431,056,540,151.28
  5. Step 5: Solve for x
    x = 431,056,540,151.28/787,107.60
  6. Step 6: Final answer
    x = 547,646.27

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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.