Home / 981,379.40-1,471,196.64-382,202.12

Finding the Fourth Proportional to 981,379.40, 1,471,196.64 and 382,202.12

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Solution

The fourth proportional to 981,379.40, 1,471,196.64 and 382,202.12 is: 572,963.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,379.40 : 1,471,196.64 = 382,202.12 : x
  2. Step 2: Convert to fraction form
    981,379.40/1,471,196.64 = 382,202.12/x
  3. Step 3: Cross multiply
    981,379.40x = 1,471,196.64 × 382,202.12
  4. Step 4: Simplify right side
    981,379.40x = 562,294,474,744.88
  5. Step 5: Solve for x
    x = 562,294,474,744.88/981,379.40
  6. Step 6: Final answer
    x = 572,963.40

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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.