Home / 495,918.72-743,424.48-215,334.72

Finding the Fourth Proportional to 495,918.72, 743,424.48 and 215,334.72

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Solution

The fourth proportional to 495,918.72, 743,424.48 and 215,334.72 is: 322,805.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,918.72 : 743,424.48 = 215,334.72 : x
  2. Step 2: Convert to fraction form
    495,918.72/743,424.48 = 215,334.72/x
  3. Step 3: Cross multiply
    495,918.72x = 743,424.48 × 215,334.72
  4. Step 4: Simplify right side
    495,918.72x = 160,085,102,241.95
  5. Step 5: Solve for x
    x = 160,085,102,241.95/495,918.72
  6. Step 6: Final answer
    x = 322,805.12

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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.