Home / 842,518.31-1,263,777.47-281,552.81

Finding the Fourth Proportional to 842,518.31, 1,263,777.47 and 281,552.81

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Solution

The fourth proportional to 842,518.31, 1,263,777.47 and 281,552.81 is: 422,329.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,518.31 : 1,263,777.47 = 281,552.81 : x
  2. Step 2: Convert to fraction form
    842,518.31/1,263,777.47 = 281,552.81/x
  3. Step 3: Cross multiply
    842,518.31x = 1,263,777.47 × 281,552.81
  4. Step 4: Simplify right side
    842,518.31x = 355,820,101,756.52
  5. Step 5: Solve for x
    x = 355,820,101,756.52/842,518.31
  6. Step 6: Final answer
    x = 422,329.22

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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.