Home / 787,805.40-1,181,460.24-255,202.86

Finding the Fourth Proportional to 787,805.40, 1,181,460.24 and 255,202.86

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Solution

The fourth proportional to 787,805.40, 1,181,460.24 and 255,202.86 is: 382,724.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,805.40 : 1,181,460.24 = 255,202.86 : x
  2. Step 2: Convert to fraction form
    787,805.40/1,181,460.24 = 255,202.86/x
  3. Step 3: Cross multiply
    787,805.40x = 1,181,460.24 × 255,202.86
  4. Step 4: Simplify right side
    787,805.40x = 301,512,030,948.27
  5. Step 5: Solve for x
    x = 301,512,030,948.27/787,805.40
  6. Step 6: Final answer
    x = 382,724.00

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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.