Home / 800,242.08-1,104,318.54-437,664.78

Finding the Fourth Proportional to 800,242.08, 1,104,318.54 and 437,664.78

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Solution

The fourth proportional to 800,242.08, 1,104,318.54 and 437,664.78 is: 603,968.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,242.08 : 1,104,318.54 = 437,664.78 : x
  2. Step 2: Convert to fraction form
    800,242.08/1,104,318.54 = 437,664.78/x
  3. Step 3: Cross multiply
    800,242.08x = 1,104,318.54 × 437,664.78
  4. Step 4: Simplify right side
    800,242.08x = 483,321,330,859.02
  5. Step 5: Solve for x
    x = 483,321,330,859.02/800,242.08
  6. Step 6: Final answer
    x = 603,968.90

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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.