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Finding the Fourth Proportional to 482,294.71, 665,430.96 and 380,003.05

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Solution

The fourth proportional to 482,294.71, 665,430.96 and 380,003.05 is: 524,297.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,294.71 : 665,430.96 = 380,003.05 : x
  2. Step 2: Convert to fraction form
    482,294.71/665,430.96 = 380,003.05/x
  3. Step 3: Cross multiply
    482,294.71x = 665,430.96 × 380,003.05
  4. Step 4: Simplify right side
    482,294.71x = 252,865,794,364.43
  5. Step 5: Solve for x
    x = 252,865,794,364.43/482,294.71
  6. Step 6: Final answer
    x = 524,297.26

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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.