Home / 981,400.42-1,472,098.96-307,533.48

Finding the Fourth Proportional to 981,400.42, 1,472,098.96 and 307,533.48

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Solution

The fourth proportional to 981,400.42, 1,472,098.96 and 307,533.48 is: 461,299.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,400.42 : 1,472,098.96 = 307,533.48 : x
  2. Step 2: Convert to fraction form
    981,400.42/1,472,098.96 = 307,533.48/x
  3. Step 3: Cross multiply
    981,400.42x = 1,472,098.96 × 307,533.48
  4. Step 4: Simplify right side
    981,400.42x = 452,719,710,937.23
  5. Step 5: Solve for x
    x = 452,719,710,937.23/981,400.42
  6. Step 6: Final answer
    x = 461,299.69

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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.