Home / 789,588.99-1,089,636.08-427,012.85

Finding the Fourth Proportional to 789,588.99, 1,089,636.08 and 427,012.85

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Solution

The fourth proportional to 789,588.99, 1,089,636.08 and 427,012.85 is: 589,279.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,588.99 : 1,089,636.08 = 427,012.85 : x
  2. Step 2: Convert to fraction form
    789,588.99/1,089,636.08 = 427,012.85/x
  3. Step 3: Cross multiply
    789,588.99x = 1,089,636.08 × 427,012.85
  4. Step 4: Simplify right side
    789,588.99x = 465,288,606,646.84
  5. Step 5: Solve for x
    x = 465,288,606,646.84/789,588.99
  6. Step 6: Final answer
    x = 589,279.50

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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.