Home / 505,035.08-699,958.28-495,587.24

Finding the Fourth Proportional to 505,035.08, 699,958.28 and 495,587.24

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Solution

The fourth proportional to 505,035.08, 699,958.28 and 495,587.24 is: 686,863.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,035.08 : 699,958.28 = 495,587.24 : x
  2. Step 2: Convert to fraction form
    505,035.08/699,958.28 = 495,587.24/x
  3. Step 3: Cross multiply
    505,035.08x = 699,958.28 × 495,587.24
  4. Step 4: Simplify right side
    505,035.08x = 346,890,392,100.35
  5. Step 5: Solve for x
    x = 346,890,392,100.35/505,035.08
  6. Step 6: Final answer
    x = 686,863.95

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.