Home / 763,409.90-1,145,114.85-264,773.90

Finding the Fourth Proportional to 763,409.90, 1,145,114.85 and 264,773.90

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Solution

The fourth proportional to 763,409.90, 1,145,114.85 and 264,773.90 is: 397,160.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,409.90 : 1,145,114.85 = 264,773.90 : x
  2. Step 2: Convert to fraction form
    763,409.90/1,145,114.85 = 264,773.90/x
  3. Step 3: Cross multiply
    763,409.90x = 1,145,114.85 × 264,773.90
  4. Step 4: Simplify right side
    763,409.90x = 303,196,524,782.42
  5. Step 5: Solve for x
    x = 303,196,524,782.42/763,409.90
  6. Step 6: Final answer
    x = 397,160.85

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Similar ratio
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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.