Home / 803,268.52-1,204,137.02-270,515.40

Finding the Fourth Proportional to 803,268.52, 1,204,137.02 and 270,515.40

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Solution

The fourth proportional to 803,268.52, 1,204,137.02 and 270,515.40 is: 405,515.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,268.52 : 1,204,137.02 = 270,515.40 : x
  2. Step 2: Convert to fraction form
    803,268.52/1,204,137.02 = 270,515.40/x
  3. Step 3: Cross multiply
    803,268.52x = 1,204,137.02 × 270,515.40
  4. Step 4: Simplify right side
    803,268.52x = 325,737,607,620.11
  5. Step 5: Solve for x
    x = 325,737,607,620.11/803,268.52
  6. Step 6: Final answer
    x = 405,515.22

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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.