Home / 902,431.80-1,353,647.70-725,284.80

Finding the Fourth Proportional to 902,431.80, 1,353,647.70 and 725,284.80

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Solution

The fourth proportional to 902,431.80, 1,353,647.70 and 725,284.80 is: 1,087,927.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,431.80 : 1,353,647.70 = 725,284.80 : x
  2. Step 2: Convert to fraction form
    902,431.80/1,353,647.70 = 725,284.80/x
  3. Step 3: Cross multiply
    902,431.80x = 1,353,647.70 × 725,284.80
  4. Step 4: Simplify right side
    902,431.80x = 981,780,101,364.96
  5. Step 5: Solve for x
    x = 981,780,101,364.96/902,431.80
  6. Step 6: Final answer
    x = 1,087,927.20

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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.