Home / 509,032.52-763,479.04-281,748.54

Finding the Fourth Proportional to 509,032.52, 763,479.04 and 281,748.54

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Solution

The fourth proportional to 509,032.52, 763,479.04 and 281,748.54 is: 422,584.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,032.52 : 763,479.04 = 281,748.54 : x
  2. Step 2: Convert to fraction form
    509,032.52/763,479.04 = 281,748.54/x
  3. Step 3: Cross multiply
    509,032.52x = 763,479.04 × 281,748.54
  4. Step 4: Simplify right side
    509,032.52x = 215,109,104,840.60
  5. Step 5: Solve for x
    x = 215,109,104,840.60/509,032.52
  6. Step 6: Final answer
    x = 422,584.21

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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.