Home / 495,686.54-743,569.20-211,379.51

Finding the Fourth Proportional to 495,686.54, 743,569.20 and 211,379.51

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Solution

The fourth proportional to 495,686.54, 743,569.20 and 211,379.51 is: 317,086.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,686.54 : 743,569.20 = 211,379.51 : x
  2. Step 2: Convert to fraction form
    495,686.54/743,569.20 = 211,379.51/x
  3. Step 3: Cross multiply
    495,686.54x = 743,569.20 × 211,379.51
  4. Step 4: Simplify right side
    495,686.54x = 157,175,295,845.56
  5. Step 5: Solve for x
    x = 157,175,295,845.56/495,686.54
  6. Step 6: Final answer
    x = 317,086.07

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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.