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Finding the Fourth Proportional to 482,342.14, 665,860.71 and 321,465.34

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Solution

The fourth proportional to 482,342.14, 665,860.71 and 321,465.34 is: 443,774.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,342.14 : 665,860.71 = 321,465.34 : x
  2. Step 2: Convert to fraction form
    482,342.14/665,860.71 = 321,465.34/x
  3. Step 3: Cross multiply
    482,342.14x = 665,860.71 × 321,465.34
  4. Step 4: Simplify right side
    482,342.14x = 214,051,139,532.79
  5. Step 5: Solve for x
    x = 214,051,139,532.79/482,342.14
  6. Step 6: Final answer
    x = 443,774.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.