Home / 842,517.56-1,263,776.35-281,552.06

Finding the Fourth Proportional to 842,517.56, 1,263,776.35 and 281,552.06

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Solution

The fourth proportional to 842,517.56, 1,263,776.35 and 281,552.06 is: 422,328.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,517.56 : 1,263,776.35 = 281,552.06 : x
  2. Step 2: Convert to fraction form
    842,517.56/1,263,776.35 = 281,552.06/x
  3. Step 3: Cross multiply
    842,517.56x = 1,263,776.35 × 281,552.06
  4. Step 4: Simplify right side
    842,517.56x = 355,818,837,177.34
  5. Step 5: Solve for x
    x = 355,818,837,177.34/842,517.56
  6. Step 6: Final answer
    x = 422,328.10

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1.5x scale

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.