Home / 919,235.01-1,378,852.92-288,198.03

Finding the Fourth Proportional to 919,235.01, 1,378,852.92 and 288,198.03

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Solution

The fourth proportional to 919,235.01, 1,378,852.92 and 288,198.03 is: 432,297.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,235.01 : 1,378,852.92 = 288,198.03 : x
  2. Step 2: Convert to fraction form
    919,235.01/1,378,852.92 = 288,198.03/x
  3. Step 3: Cross multiply
    919,235.01x = 1,378,852.92 × 288,198.03
  4. Step 4: Simplify right side
    919,235.01x = 397,382,695,203.75
  5. Step 5: Solve for x
    x = 397,382,695,203.75/919,235.01
  6. Step 6: Final answer
    x = 432,297.17

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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.