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Finding the Fourth Proportional to 654,266.57, 981,649.99 and 255,185.54

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Solution

The fourth proportional to 654,266.57, 981,649.99 and 255,185.54 is: 382,875.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,266.57 : 981,649.99 = 255,185.54 : x
  2. Step 2: Convert to fraction form
    654,266.57/981,649.99 = 255,185.54/x
  3. Step 3: Cross multiply
    654,266.57x = 981,649.99 × 255,185.54
  4. Step 4: Simplify right side
    654,266.57x = 250,502,880,445.65
  5. Step 5: Solve for x
    x = 250,502,880,445.65/654,266.57
  6. Step 6: Final answer
    x = 382,875.87

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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.