Home / 787,808.52-1,181,464.91-255,205.98

Finding the Fourth Proportional to 787,808.52, 1,181,464.91 and 255,205.98

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Solution

The fourth proportional to 787,808.52, 1,181,464.91 and 255,205.98 is: 382,728.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,808.52 : 1,181,464.91 = 255,205.98 : x
  2. Step 2: Convert to fraction form
    787,808.52/1,181,464.91 = 255,205.98/x
  3. Step 3: Cross multiply
    787,808.52x = 1,181,464.91 × 255,205.98
  4. Step 4: Simplify right side
    787,808.52x = 301,516,910,192.16
  5. Step 5: Solve for x
    x = 301,516,910,192.16/787,808.52
  6. Step 6: Final answer
    x = 382,728.67

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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.