Home / 842,032.94-1,263,133.66-243,008.78

Finding the Fourth Proportional to 842,032.94, 1,263,133.66 and 243,008.78

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Solution

The fourth proportional to 842,032.94, 1,263,133.66 and 243,008.78 is: 364,537.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,032.94 : 1,263,133.66 = 243,008.78 : x
  2. Step 2: Convert to fraction form
    842,032.94/1,263,133.66 = 243,008.78/x
  3. Step 3: Cross multiply
    842,032.94x = 1,263,133.66 × 243,008.78
  4. Step 4: Simplify right side
    842,032.94x = 306,952,569,693.54
  5. Step 5: Solve for x
    x = 306,952,569,693.54/842,032.94
  6. Step 6: Final answer
    x = 364,537.48

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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.