Home / 545,577.04-752,919.78-303,859.72

Finding the Fourth Proportional to 545,577.04, 752,919.78 and 303,859.72

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Solution

The fourth proportional to 545,577.04, 752,919.78 and 303,859.72 is: 419,339.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,577.04 : 752,919.78 = 303,859.72 : x
  2. Step 2: Convert to fraction form
    545,577.04/752,919.78 = 303,859.72/x
  3. Step 3: Cross multiply
    545,577.04x = 752,919.78 × 303,859.72
  4. Step 4: Simplify right side
    545,577.04x = 228,781,993,533.26
  5. Step 5: Solve for x
    x = 228,781,993,533.26/545,577.04
  6. Step 6: Final answer
    x = 419,339.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.