Home / 853,620.70-1,280,051.96-454,177.30

Finding the Fourth Proportional to 853,620.70, 1,280,051.96 and 454,177.30

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Solution

The fourth proportional to 853,620.70, 1,280,051.96 and 454,177.30 is: 681,064.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,620.70 : 1,280,051.96 = 454,177.30 : x
  2. Step 2: Convert to fraction form
    853,620.70/1,280,051.96 = 454,177.30/x
  3. Step 3: Cross multiply
    853,620.70x = 1,280,051.96 × 454,177.30
  4. Step 4: Simplify right side
    853,620.70x = 581,370,536,652.25
  5. Step 5: Solve for x
    x = 581,370,536,652.25/853,620.70
  6. Step 6: Final answer
    x = 681,064.25

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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.