Home / 464,529.54-641,049.72-257,829.60

Finding the Fourth Proportional to 464,529.54, 641,049.72 and 257,829.60

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Solution

The fourth proportional to 464,529.54, 641,049.72 and 257,829.60 is: 355,804.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,529.54 : 641,049.72 = 257,829.60 : x
  2. Step 2: Convert to fraction form
    464,529.54/641,049.72 = 257,829.60/x
  3. Step 3: Cross multiply
    464,529.54x = 641,049.72 × 257,829.60
  4. Step 4: Simplify right side
    464,529.54x = 165,281,593,845.76
  5. Step 5: Solve for x
    x = 165,281,593,845.76/464,529.54
  6. Step 6: Final answer
    x = 355,804.27

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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.