Home / 651,485.23-899,103.47-361,187.88

Finding the Fourth Proportional to 651,485.23, 899,103.47 and 361,187.88

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Solution

The fourth proportional to 651,485.23, 899,103.47 and 361,187.88 is: 498,469.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,485.23 : 899,103.47 = 361,187.88 : x
  2. Step 2: Convert to fraction form
    651,485.23/899,103.47 = 361,187.88/x
  3. Step 3: Cross multiply
    651,485.23x = 899,103.47 × 361,187.88
  4. Step 4: Simplify right side
    651,485.23x = 324,745,278,141.51
  5. Step 5: Solve for x
    x = 324,745,278,141.51/651,485.23
  6. Step 6: Final answer
    x = 498,469.14

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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.