Home / 981,264.79-1,471,896.02-307,398.58

Finding the Fourth Proportional to 981,264.79, 1,471,896.02 and 307,398.58

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Solution

The fourth proportional to 981,264.79, 1,471,896.02 and 307,398.58 is: 461,097.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,264.79 : 1,471,896.02 = 307,398.58 : x
  2. Step 2: Convert to fraction form
    981,264.79/1,471,896.02 = 307,398.58/x
  3. Step 3: Cross multiply
    981,264.79x = 1,471,896.02 × 307,398.58
  4. Step 4: Simplify right side
    981,264.79x = 452,458,743,544.41
  5. Step 5: Solve for x
    x = 452,458,743,544.41/981,264.79
  6. Step 6: Final answer
    x = 461,097.50

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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.