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Finding the Fourth Proportional to 543,685.43, 750,265.03 and 301,983.42

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Solution

The fourth proportional to 543,685.43, 750,265.03 and 301,983.42 is: 416,725.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,685.43 : 750,265.03 = 301,983.42 : x
  2. Step 2: Convert to fraction form
    543,685.43/750,265.03 = 301,983.42/x
  3. Step 3: Cross multiply
    543,685.43x = 750,265.03 × 301,983.42
  4. Step 4: Simplify right side
    543,685.43x = 226,567,602,856.78
  5. Step 5: Solve for x
    x = 226,567,602,856.78/543,685.43
  6. Step 6: Final answer
    x = 416,725.54

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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.