Home / 804,307.50-1,206,460.28-205,268.72

Finding the Fourth Proportional to 804,307.50, 1,206,460.28 and 205,268.72

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Solution

The fourth proportional to 804,307.50, 1,206,460.28 and 205,268.72 is: 307,902.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,307.50 : 1,206,460.28 = 205,268.72 : x
  2. Step 2: Convert to fraction form
    804,307.50/1,206,460.28 = 205,268.72/x
  3. Step 3: Cross multiply
    804,307.50x = 1,206,460.28 × 205,268.72
  4. Step 4: Simplify right side
    804,307.50x = 247,648,557,406.44
  5. Step 5: Solve for x
    x = 247,648,557,406.44/804,307.50
  6. Step 6: Final answer
    x = 307,902.83

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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.