Home / 654,743.18-981,719.48-255,307.34

Finding the Fourth Proportional to 654,743.18, 981,719.48 and 255,307.34

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Solution

The fourth proportional to 654,743.18, 981,719.48 and 255,307.34 is: 382,806.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,743.18 : 981,719.48 = 255,307.34 : x
  2. Step 2: Convert to fraction form
    654,743.18/981,719.48 = 255,307.34/x
  3. Step 3: Cross multiply
    654,743.18x = 981,719.48 × 255,307.34
  4. Step 4: Simplify right side
    654,743.18x = 250,640,189,064.98
  5. Step 5: Solve for x
    x = 250,640,189,064.98/654,743.18
  6. Step 6: Final answer
    x = 382,806.87

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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.