Home / 850,510.72-1,275,323.28-317,593.54

Finding the Fourth Proportional to 850,510.72, 1,275,323.28 and 317,593.54

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Solution

The fourth proportional to 850,510.72, 1,275,323.28 and 317,593.54 is: 476,224.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,510.72 : 1,275,323.28 = 317,593.54 : x
  2. Step 2: Convert to fraction form
    850,510.72/1,275,323.28 = 317,593.54/x
  3. Step 3: Cross multiply
    850,510.72x = 1,275,323.28 × 317,593.54
  4. Step 4: Simplify right side
    850,510.72x = 405,034,435,139.61
  5. Step 5: Solve for x
    x = 405,034,435,139.61/850,510.72
  6. Step 6: Final answer
    x = 476,224.96

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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.