Home / 981,226.80-1,472,004.09-307,173.96

Finding the Fourth Proportional to 981,226.80, 1,472,004.09 and 307,173.96

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Solution

The fourth proportional to 981,226.80, 1,472,004.09 and 307,173.96 is: 460,812.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,226.80 : 1,472,004.09 = 307,173.96 : x
  2. Step 2: Convert to fraction form
    981,226.80/1,472,004.09 = 307,173.96/x
  3. Step 3: Cross multiply
    981,226.80x = 1,472,004.09 × 307,173.96
  4. Step 4: Simplify right side
    981,226.80x = 452,161,325,461.50
  5. Step 5: Solve for x
    x = 452,161,325,461.50/981,226.80
  6. Step 6: Final answer
    x = 460,812.25

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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.