Home / 759,142.08-1,047,720.24-436,845.60

Finding the Fourth Proportional to 759,142.08, 1,047,720.24 and 436,845.60

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Solution

The fourth proportional to 759,142.08, 1,047,720.24 and 436,845.60 is: 602,906.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,142.08 : 1,047,720.24 = 436,845.60 : x
  2. Step 2: Convert to fraction form
    759,142.08/1,047,720.24 = 436,845.60/x
  3. Step 3: Cross multiply
    759,142.08x = 1,047,720.24 × 436,845.60
  4. Step 4: Simplify right side
    759,142.08x = 457,691,976,874.94
  5. Step 5: Solve for x
    x = 457,691,976,874.94/759,142.08
  6. Step 6: Final answer
    x = 602,906.87

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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.