Home / 800,431.90-1,104,622.20-456,261.57

Finding the Fourth Proportional to 800,431.90, 1,104,622.20 and 456,261.57

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Solution

The fourth proportional to 800,431.90, 1,104,622.20 and 456,261.57 is: 629,655.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,431.90 : 1,104,622.20 = 456,261.57 : x
  2. Step 2: Convert to fraction form
    800,431.90/1,104,622.20 = 456,261.57/x
  3. Step 3: Cross multiply
    800,431.90x = 1,104,622.20 × 456,261.57
  4. Step 4: Simplify right side
    800,431.90x = 503,996,665,079.36
  5. Step 5: Solve for x
    x = 503,996,665,079.36/800,431.90
  6. Step 6: Final answer
    x = 629,655.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.