Home / 787,415.55-1,181,311.44-254,937.14

Finding the Fourth Proportional to 787,415.55, 1,181,311.44 and 254,937.14

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Solution

The fourth proportional to 787,415.55, 1,181,311.44 and 254,937.14 is: 382,466.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,415.55 : 1,181,311.44 = 254,937.14 : x
  2. Step 2: Convert to fraction form
    787,415.55/1,181,311.44 = 254,937.14/x
  3. Step 3: Cross multiply
    787,415.55x = 1,181,311.44 × 254,937.14
  4. Step 4: Simplify right side
    787,415.55x = 301,160,160,918.90
  5. Step 5: Solve for x
    x = 301,160,160,918.90/787,415.55
  6. Step 6: Final answer
    x = 382,466.62

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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.