Home / 771,676.98-1,064,921.69-427,520.22

Finding the Fourth Proportional to 771,676.98, 1,064,921.69 and 427,520.22

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Solution

The fourth proportional to 771,676.98, 1,064,921.69 and 427,520.22 is: 589,982.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,676.98 : 1,064,921.69 = 427,520.22 : x
  2. Step 2: Convert to fraction form
    771,676.98/1,064,921.69 = 427,520.22/x
  3. Step 3: Cross multiply
    771,676.98x = 1,064,921.69 × 427,520.22
  4. Step 4: Simplify right side
    771,676.98x = 455,275,555,191.57
  5. Step 5: Solve for x
    x = 455,275,555,191.57/771,676.98
  6. Step 6: Final answer
    x = 589,982.04

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