Home / 789,562.38-1,089,607.10-445,414.25

Finding the Fourth Proportional to 789,562.38, 1,089,607.10 and 445,414.25

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Solution

The fourth proportional to 789,562.38, 1,089,607.10 and 445,414.25 is: 614,677.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,562.38 : 1,089,607.10 = 445,414.25 : x
  2. Step 2: Convert to fraction form
    789,562.38/1,089,607.10 = 445,414.25/x
  3. Step 3: Cross multiply
    789,562.38x = 1,089,607.10 × 445,414.25
  4. Step 4: Simplify right side
    789,562.38x = 485,326,521,566.07
  5. Step 5: Solve for x
    x = 485,326,521,566.07/789,562.38
  6. Step 6: Final answer
    x = 614,677.87

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Double scale
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1.5x scale

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.