Home / 842,241.83-1,263,176.63-243,072.64

Finding the Fourth Proportional to 842,241.83, 1,263,176.63 and 243,072.64

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Solution

The fourth proportional to 842,241.83, 1,263,176.63 and 243,072.64 is: 364,555.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,241.83 : 1,263,176.63 = 243,072.64 : x
  2. Step 2: Convert to fraction form
    842,241.83/1,263,176.63 = 243,072.64/x
  3. Step 3: Cross multiply
    842,241.83x = 1,263,176.63 × 243,072.64
  4. Step 4: Simplify right side
    842,241.83x = 307,043,670,709.16
  5. Step 5: Solve for x
    x = 307,043,670,709.16/842,241.83
  6. Step 6: Final answer
    x = 364,555.24

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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.