Home / 981,048.50-1,470,778.41-306,782.54

Finding the Fourth Proportional to 981,048.50, 1,470,778.41 and 306,782.54

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Solution

The fourth proportional to 981,048.50, 1,470,778.41 and 306,782.54 is: 459,925.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,048.50 : 1,470,778.41 = 306,782.54 : x
  2. Step 2: Convert to fraction form
    981,048.50/1,470,778.41 = 306,782.54/x
  3. Step 3: Cross multiply
    981,048.50x = 1,470,778.41 × 306,782.54
  4. Step 4: Simplify right side
    981,048.50x = 451,209,136,396.96
  5. Step 5: Solve for x
    x = 451,209,136,396.96/981,048.50
  6. Step 6: Final answer
    x = 459,925.41

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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.