Home / 825,827.60-1,139,640.23-458,361.03

Finding the Fourth Proportional to 825,827.60, 1,139,640.23 and 458,361.03

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Solution

The fourth proportional to 825,827.60, 1,139,640.23 and 458,361.03 is: 632,537.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,827.60 : 1,139,640.23 = 458,361.03 : x
  2. Step 2: Convert to fraction form
    825,827.60/1,139,640.23 = 458,361.03/x
  3. Step 3: Cross multiply
    825,827.60x = 1,139,640.23 × 458,361.03
  4. Step 4: Simplify right side
    825,827.60x = 522,366,667,360.43
  5. Step 5: Solve for x
    x = 522,366,667,360.43/825,827.60
  6. Step 6: Final answer
    x = 632,537.19

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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.