Home / 780,701.77-1,170,255.07-443,029.24

Finding the Fourth Proportional to 780,701.77, 1,170,255.07 and 443,029.24

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Solution

The fourth proportional to 780,701.77, 1,170,255.07 and 443,029.24 is: 664,091.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,701.77 : 1,170,255.07 = 443,029.24 : x
  2. Step 2: Convert to fraction form
    780,701.77/1,170,255.07 = 443,029.24/x
  3. Step 3: Cross multiply
    780,701.77x = 1,170,255.07 × 443,029.24
  4. Step 4: Simplify right side
    780,701.77x = 518,457,214,268.25
  5. Step 5: Solve for x
    x = 518,457,214,268.25/780,701.77
  6. Step 6: Final answer
    x = 664,091.25

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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.