Home / 789,364.70-1,089,821.38-547,562.68

Finding the Fourth Proportional to 789,364.70, 1,089,821.38 and 547,562.68

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Solution

The fourth proportional to 789,364.70, 1,089,821.38 and 547,562.68 is: 755,982.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,364.70 : 1,089,821.38 = 547,562.68 : x
  2. Step 2: Convert to fraction form
    789,364.70/1,089,821.38 = 547,562.68/x
  3. Step 3: Cross multiply
    789,364.70x = 1,089,821.38 × 547,562.68
  4. Step 4: Simplify right side
    789,364.70x = 596,745,515,554.10
  5. Step 5: Solve for x
    x = 596,745,515,554.10/789,364.70
  6. Step 6: Final answer
    x = 755,982.01

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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.