Home / 981,595.46-1,472,411.84-307,661.91

Finding the Fourth Proportional to 981,595.46, 1,472,411.84 and 307,661.91

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Solution

The fourth proportional to 981,595.46, 1,472,411.84 and 307,661.91 is: 461,498.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,595.46 : 1,472,411.84 = 307,661.91 : x
  2. Step 2: Convert to fraction form
    981,595.46/1,472,411.84 = 307,661.91/x
  3. Step 3: Cross multiply
    981,595.46x = 1,472,411.84 × 307,661.91
  4. Step 4: Simplify right side
    981,595.46x = 453,005,037,462.71
  5. Step 5: Solve for x
    x = 453,005,037,462.71/981,595.46
  6. Step 6: Final answer
    x = 461,498.71

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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.