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Finding the Fourth Proportional to 536,334.54, 739,930.03 and 345,458.71

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Solution

The fourth proportional to 536,334.54, 739,930.03 and 345,458.71 is: 476,596.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,334.54 : 739,930.03 = 345,458.71 : x
  2. Step 2: Convert to fraction form
    536,334.54/739,930.03 = 345,458.71/x
  3. Step 3: Cross multiply
    536,334.54x = 739,930.03 × 345,458.71
  4. Step 4: Simplify right side
    536,334.54x = 255,615,273,654.06
  5. Step 5: Solve for x
    x = 255,615,273,654.06/536,334.54
  6. Step 6: Final answer
    x = 476,596.70

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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.