Home / 787,808.34-1,181,464.64-255,205.80

Finding the Fourth Proportional to 787,808.34, 1,181,464.64 and 255,205.80

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Solution

The fourth proportional to 787,808.34, 1,181,464.64 and 255,205.80 is: 382,728.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,808.34 : 1,181,464.64 = 255,205.80 : x
  2. Step 2: Convert to fraction form
    787,808.34/1,181,464.64 = 255,205.80/x
  3. Step 3: Cross multiply
    787,808.34x = 1,181,464.64 × 255,205.80
  4. Step 4: Simplify right side
    787,808.34x = 301,516,628,622.91
  5. Step 5: Solve for x
    x = 301,516,628,622.91/787,808.34
  6. Step 6: Final answer
    x = 382,728.40

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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.