Home / 455,986.96-683,992.08-216,044.64

Finding the Fourth Proportional to 455,986.96, 683,992.08 and 216,044.64

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Solution

The fourth proportional to 455,986.96, 683,992.08 and 216,044.64 is: 324,072.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,986.96 : 683,992.08 = 216,044.64 : x
  2. Step 2: Convert to fraction form
    455,986.96/683,992.08 = 216,044.64/x
  3. Step 3: Cross multiply
    455,986.96x = 683,992.08 × 216,044.64
  4. Step 4: Simplify right side
    455,986.96x = 147,772,822,686.45
  5. Step 5: Solve for x
    x = 147,772,822,686.45/455,986.96
  6. Step 6: Final answer
    x = 324,072.47

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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.