Home / 495,621.48-743,679.16-196,317.78

Finding the Fourth Proportional to 495,621.48, 743,679.16 and 196,317.78

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Solution

The fourth proportional to 495,621.48, 743,679.16 and 196,317.78 is: 294,574.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,621.48 : 743,679.16 = 196,317.78 : x
  2. Step 2: Convert to fraction form
    495,621.48/743,679.16 = 196,317.78/x
  3. Step 3: Cross multiply
    495,621.48x = 743,679.16 × 196,317.78
  4. Step 4: Simplify right side
    495,621.48x = 145,997,438,443.87
  5. Step 5: Solve for x
    x = 145,997,438,443.87/495,621.48
  6. Step 6: Final answer
    x = 294,574.48

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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.