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Finding the Fourth Proportional to 981,635.16, 1,472,453.16 and 307,768.98

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Solution

The fourth proportional to 981,635.16, 1,472,453.16 and 307,768.98 is: 461,653.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,635.16 : 1,472,453.16 = 307,768.98 : x
  2. Step 2: Convert to fraction form
    981,635.16/1,472,453.16 = 307,768.98/x
  3. Step 3: Cross multiply
    981,635.16x = 1,472,453.16 × 307,768.98
  4. Step 4: Simplify right side
    981,635.16x = 453,175,407,150.98
  5. Step 5: Solve for x
    x = 453,175,407,150.98/981,635.16
  6. Step 6: Final answer
    x = 461,653.60

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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.