Home / 800,431.47-1,104,621.77-437,847.04

Finding the Fourth Proportional to 800,431.47, 1,104,621.77 and 437,847.04

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Solution

The fourth proportional to 800,431.47, 1,104,621.77 and 437,847.04 is: 604,243.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,431.47 : 1,104,621.77 = 437,847.04 : x
  2. Step 2: Convert to fraction form
    800,431.47/1,104,621.77 = 437,847.04/x
  3. Step 3: Cross multiply
    800,431.47x = 1,104,621.77 × 437,847.04
  4. Step 4: Simplify right side
    800,431.47x = 483,655,372,314.06
  5. Step 5: Solve for x
    x = 483,655,372,314.06/800,431.47
  6. Step 6: Final answer
    x = 604,243.32

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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.