Home / 654,441.72-981,634.02-205,152.34

Finding the Fourth Proportional to 654,441.72, 981,634.02 and 205,152.34

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Solution

The fourth proportional to 654,441.72, 981,634.02 and 205,152.34 is: 307,719.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,441.72 : 981,634.02 = 205,152.34 : x
  2. Step 2: Convert to fraction form
    654,441.72/981,634.02 = 205,152.34/x
  3. Step 3: Cross multiply
    654,441.72x = 981,634.02 × 205,152.34
  4. Step 4: Simplify right side
    654,441.72x = 201,384,514,541.84
  5. Step 5: Solve for x
    x = 201,384,514,541.84/654,441.72
  6. Step 6: Final answer
    x = 307,719.55

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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.