Home / 789,862.98-1,090,007.61-427,285.94

Finding the Fourth Proportional to 789,862.98, 1,090,007.61 and 427,285.94

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Solution

The fourth proportional to 789,862.98, 1,090,007.61 and 427,285.94 is: 589,652.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,862.98 : 1,090,007.61 = 427,285.94 : x
  2. Step 2: Convert to fraction form
    789,862.98/1,090,007.61 = 427,285.94/x
  3. Step 3: Cross multiply
    789,862.98x = 1,090,007.61 × 427,285.94
  4. Step 4: Simplify right side
    789,862.98x = 465,744,926,246.00
  5. Step 5: Solve for x
    x = 465,744,926,246.00/789,862.98
  6. Step 6: Final answer
    x = 589,652.81

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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.