Home / 902,505.80-1,353,758.70-725,358.80

Finding the Fourth Proportional to 902,505.80, 1,353,758.70 and 725,358.80

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Solution

The fourth proportional to 902,505.80, 1,353,758.70 and 725,358.80 is: 1,088,038.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,505.80 : 1,353,758.70 = 725,358.80 : x
  2. Step 2: Convert to fraction form
    902,505.80/1,353,758.70 = 725,358.80/x
  3. Step 3: Cross multiply
    902,505.80x = 1,353,758.70 × 725,358.80
  4. Step 4: Simplify right side
    902,505.80x = 981,960,786,121.56
  5. Step 5: Solve for x
    x = 981,960,786,121.56/902,505.80
  6. Step 6: Final answer
    x = 1,088,038.20

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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.