Home / 842,040.27-1,263,374.08-505,322.46

Finding the Fourth Proportional to 842,040.27, 1,263,374.08 and 505,322.46

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Solution

The fourth proportional to 842,040.27, 1,263,374.08 and 505,322.46 is: 758,171.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,040.27 : 1,263,374.08 = 505,322.46 : x
  2. Step 2: Convert to fraction form
    842,040.27/1,263,374.08 = 505,322.46/x
  3. Step 3: Cross multiply
    842,040.27x = 1,263,374.08 × 505,322.46
  4. Step 4: Simplify right side
    842,040.27x = 638,411,296,742.53
  5. Step 5: Solve for x
    x = 638,411,296,742.53/842,040.27
  6. Step 6: Final answer
    x = 758,171.93

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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.