Home / 789,361.14-1,089,302.13-431,665.14

Finding the Fourth Proportional to 789,361.14, 1,089,302.13 and 431,665.14

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Solution

The fourth proportional to 789,361.14, 1,089,302.13 and 431,665.14 is: 595,689.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,361.14 : 1,089,302.13 = 431,665.14 : x
  2. Step 2: Convert to fraction form
    789,361.14/1,089,302.13 = 431,665.14/x
  3. Step 3: Cross multiply
    789,361.14x = 1,089,302.13 × 431,665.14
  4. Step 4: Simplify right side
    789,361.14x = 470,213,756,448.75
  5. Step 5: Solve for x
    x = 470,213,756,448.75/789,361.14
  6. Step 6: Final answer
    x = 595,689.01

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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.