Home / 902,269.78-1,353,309.30-475,634.68

Finding the Fourth Proportional to 902,269.78, 1,353,309.30 and 475,634.68

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Solution

The fourth proportional to 902,269.78, 1,353,309.30 and 475,634.68 is: 713,401.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,269.78 : 1,353,309.30 = 475,634.68 : x
  2. Step 2: Convert to fraction form
    902,269.78/1,353,309.30 = 475,634.68/x
  3. Step 3: Cross multiply
    902,269.78x = 1,353,309.30 × 475,634.68
  4. Step 4: Simplify right side
    902,269.78x = 643,680,835,846.52
  5. Step 5: Solve for x
    x = 643,680,835,846.52/902,269.78
  6. Step 6: Final answer
    x = 713,401.75

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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.