Home / 830,074.38-1,246,231.05-531,138.54

Finding the Fourth Proportional to 830,074.38, 1,246,231.05 and 531,138.54

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Solution

The fourth proportional to 830,074.38, 1,246,231.05 and 531,138.54 is: 797,424.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,074.38 : 1,246,231.05 = 531,138.54 : x
  2. Step 2: Convert to fraction form
    830,074.38/1,246,231.05 = 531,138.54/x
  3. Step 3: Cross multiply
    830,074.38x = 1,246,231.05 × 531,138.54
  4. Step 4: Simplify right side
    830,074.38x = 661,921,340,399.67
  5. Step 5: Solve for x
    x = 661,921,340,399.67/830,074.38
  6. Step 6: Final answer
    x = 797,424.13

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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.