Home / 981,924.68-1,472,421.64-342,005.24

Finding the Fourth Proportional to 981,924.68, 1,472,421.64 and 342,005.24

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Solution

The fourth proportional to 981,924.68, 1,472,421.64 and 342,005.24 is: 512,845.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,924.68 : 1,472,421.64 = 342,005.24 : x
  2. Step 2: Convert to fraction form
    981,924.68/1,472,421.64 = 342,005.24/x
  3. Step 3: Cross multiply
    981,924.68x = 1,472,421.64 × 342,005.24
  4. Step 4: Simplify right side
    981,924.68x = 503,575,916,369.39
  5. Step 5: Solve for x
    x = 503,575,916,369.39/981,924.68
  6. Step 6: Final answer
    x = 512,845.77

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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.