Home / 831,845.93-1,147,958.53-469,268.67

Finding the Fourth Proportional to 831,845.93, 1,147,958.53 and 469,268.67

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Solution

The fourth proportional to 831,845.93, 1,147,958.53 and 469,268.67 is: 647,597.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,845.93 : 1,147,958.53 = 469,268.67 : x
  2. Step 2: Convert to fraction form
    831,845.93/1,147,958.53 = 469,268.67/x
  3. Step 3: Cross multiply
    831,845.93x = 1,147,958.53 × 469,268.67
  4. Step 4: Simplify right side
    831,845.93x = 538,700,972,588.26
  5. Step 5: Solve for x
    x = 538,700,972,588.26/831,845.93
  6. Step 6: Final answer
    x = 647,597.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.