Home / 919,946.24-1,378,388.32-320,577.04

Finding the Fourth Proportional to 919,946.24, 1,378,388.32 and 320,577.04

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Solution

The fourth proportional to 919,946.24, 1,378,388.32 and 320,577.04 is: 480,332.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,946.24 : 1,378,388.32 = 320,577.04 : x
  2. Step 2: Convert to fraction form
    919,946.24/1,378,388.32 = 320,577.04/x
  3. Step 3: Cross multiply
    919,946.24x = 1,378,388.32 × 320,577.04
  4. Step 4: Simplify right side
    919,946.24x = 441,879,647,596.17
  5. Step 5: Solve for x
    x = 441,879,647,596.17/919,946.24
  6. Step 6: Final answer
    x = 480,332.03

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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.