Home / 947,134.10-1,420,654.80-348,049.16

Finding the Fourth Proportional to 947,134.10, 1,420,654.80 and 348,049.16

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Solution

The fourth proportional to 947,134.10, 1,420,654.80 and 348,049.16 is: 522,056.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,134.10 : 1,420,654.80 = 348,049.16 : x
  2. Step 2: Convert to fraction form
    947,134.10/1,420,654.80 = 348,049.16/x
  3. Step 3: Cross multiply
    947,134.10x = 1,420,654.80 × 348,049.16
  4. Step 4: Simplify right side
    947,134.10x = 494,457,709,789.97
  5. Step 5: Solve for x
    x = 494,457,709,789.97/947,134.10
  6. Step 6: Final answer
    x = 522,056.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.