Home / 981,476.77-1,472,215.50-307,610.36

Finding the Fourth Proportional to 981,476.77, 1,472,215.50 and 307,610.36

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Solution

The fourth proportional to 981,476.77, 1,472,215.50 and 307,610.36 is: 461,415.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,476.77 : 1,472,215.50 = 307,610.36 : x
  2. Step 2: Convert to fraction form
    981,476.77/1,472,215.50 = 307,610.36/x
  3. Step 3: Cross multiply
    981,476.77x = 1,472,215.50 × 307,610.36
  4. Step 4: Simplify right side
    981,476.77x = 452,868,739,952.58
  5. Step 5: Solve for x
    x = 452,868,739,952.58/981,476.77
  6. Step 6: Final answer
    x = 461,415.65

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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.