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Finding the Fourth Proportional to 482,744.92, 666,317.14 and 301,347.56

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Solution

The fourth proportional to 482,744.92, 666,317.14 and 301,347.56 is: 415,940.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,744.92 : 666,317.14 = 301,347.56 : x
  2. Step 2: Convert to fraction form
    482,744.92/666,317.14 = 301,347.56/x
  3. Step 3: Cross multiply
    482,744.92x = 666,317.14 × 301,347.56
  4. Step 4: Simplify right side
    482,744.92x = 200,793,044,325.18
  5. Step 5: Solve for x
    x = 200,793,044,325.18/482,744.92
  6. Step 6: Final answer
    x = 415,940.25

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1.5x scale

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.