Home / 505,263.24-697,264.20-278,908.92

Finding the Fourth Proportional to 505,263.24, 697,264.20 and 278,908.92

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Solution

The fourth proportional to 505,263.24, 697,264.20 and 278,908.92 is: 384,894.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,263.24 : 697,264.20 = 278,908.92 : x
  2. Step 2: Convert to fraction form
    505,263.24/697,264.20 = 278,908.92/x
  3. Step 3: Cross multiply
    505,263.24x = 697,264.20 × 278,908.92
  4. Step 4: Simplify right side
    505,263.24x = 194,473,204,976.66
  5. Step 5: Solve for x
    x = 194,473,204,976.66/505,263.24
  6. Step 6: Final answer
    x = 384,894.82

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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.