Home / 981,705.79-1,472,590.88-271,674.37

Finding the Fourth Proportional to 981,705.79, 1,472,590.88 and 271,674.37

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Solution

The fourth proportional to 981,705.79, 1,472,590.88 and 271,674.37 is: 407,520.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,705.79 : 1,472,590.88 = 271,674.37 : x
  2. Step 2: Convert to fraction form
    981,705.79/1,472,590.88 = 271,674.37/x
  3. Step 3: Cross multiply
    981,705.79x = 1,472,590.88 × 271,674.37
  4. Step 4: Simplify right side
    981,705.79x = 400,065,190,870.42
  5. Step 5: Solve for x
    x = 400,065,190,870.42/981,705.79
  6. Step 6: Final answer
    x = 407,520.46

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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.