Home / 899,684.36-1,241,564.36-491,787.90

Finding the Fourth Proportional to 899,684.36, 1,241,564.36 and 491,787.90

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Solution

The fourth proportional to 899,684.36, 1,241,564.36 and 491,787.90 is: 678,667.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,684.36 : 1,241,564.36 = 491,787.90 : x
  2. Step 2: Convert to fraction form
    899,684.36/1,241,564.36 = 491,787.90/x
  3. Step 3: Cross multiply
    899,684.36x = 1,241,564.36 × 491,787.90
  4. Step 4: Simplify right side
    899,684.36x = 610,586,329,319.24
  5. Step 5: Solve for x
    x = 610,586,329,319.24/899,684.36
  6. Step 6: Final answer
    x = 678,667.27

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