Home / 985,982.76-1,479,586.41-631,251.36

Finding the Fourth Proportional to 985,982.76, 1,479,586.41 and 631,251.36

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Solution

The fourth proportional to 985,982.76, 1,479,586.41 and 631,251.36 is: 947,269.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,982.76 : 1,479,586.41 = 631,251.36 : x
  2. Step 2: Convert to fraction form
    985,982.76/1,479,586.41 = 631,251.36/x
  3. Step 3: Cross multiply
    985,982.76x = 1,479,586.41 × 631,251.36
  4. Step 4: Simplify right side
    985,982.76x = 933,990,933,550.02
  5. Step 5: Solve for x
    x = 933,990,933,550.02/985,982.76
  6. Step 6: Final answer
    x = 947,269.03

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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.