Home / 804,450.60-1,205,907.90-298,876.20

Finding the Fourth Proportional to 804,450.60, 1,205,907.90 and 298,876.20

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Solution

The fourth proportional to 804,450.60, 1,205,907.90 and 298,876.20 is: 448,028.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,450.60 : 1,205,907.90 = 298,876.20 : x
  2. Step 2: Convert to fraction form
    804,450.60/1,205,907.90 = 298,876.20/x
  3. Step 3: Cross multiply
    804,450.60x = 1,205,907.90 × 298,876.20
  4. Step 4: Simplify right side
    804,450.60x = 360,417,170,701.98
  5. Step 5: Solve for x
    x = 360,417,170,701.98/804,450.60
  6. Step 6: Final answer
    x = 448,028.97

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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.