Home / 981,538.70-1,472,023.53-382,366.31

Finding the Fourth Proportional to 981,538.70, 1,472,023.53 and 382,366.31

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Solution

The fourth proportional to 981,538.70, 1,472,023.53 and 382,366.31 is: 573,438.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,538.70 : 1,472,023.53 = 382,366.31 : x
  2. Step 2: Convert to fraction form
    981,538.70/1,472,023.53 = 382,366.31/x
  3. Step 3: Cross multiply
    981,538.70x = 1,472,023.53 × 382,366.31
  4. Step 4: Simplify right side
    981,538.70x = 562,852,198,039.16
  5. Step 5: Solve for x
    x = 562,852,198,039.16/981,538.70
  6. Step 6: Final answer
    x = 573,438.62

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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.