Home / 787,442.60-1,181,352.08-254,964.24

Finding the Fourth Proportional to 787,442.60, 1,181,352.08 and 254,964.24

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Solution

The fourth proportional to 787,442.60, 1,181,352.08 and 254,964.24 is: 382,507.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,442.60 : 1,181,352.08 = 254,964.24 : x
  2. Step 2: Convert to fraction form
    787,442.60/1,181,352.08 = 254,964.24/x
  3. Step 3: Cross multiply
    787,442.60x = 1,181,352.08 × 254,964.24
  4. Step 4: Simplify right side
    787,442.60x = 301,202,535,249.62
  5. Step 5: Solve for x
    x = 301,202,535,249.62/787,442.60
  6. Step 6: Final answer
    x = 382,507.29

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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.