Home / 651,849.55-899,554.38-361,481.56

Finding the Fourth Proportional to 651,849.55, 899,554.38 and 361,481.56

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Solution

The fourth proportional to 651,849.55, 899,554.38 and 361,481.56 is: 498,845.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,849.55 : 899,554.38 = 361,481.56 : x
  2. Step 2: Convert to fraction form
    651,849.55/899,554.38 = 361,481.56/x
  3. Step 3: Cross multiply
    651,849.55x = 899,554.38 × 361,481.56
  4. Step 4: Simplify right side
    651,849.55x = 325,172,322,389.45
  5. Step 5: Solve for x
    x = 325,172,322,389.45/651,849.55
  6. Step 6: Final answer
    x = 498,845.66

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1.5x scale

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.