Home / 757,330.21-1,135,661.19-283,683.25

Finding the Fourth Proportional to 757,330.21, 1,135,661.19 and 283,683.25

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Solution

The fourth proportional to 757,330.21, 1,135,661.19 and 283,683.25 is: 425,399.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,330.21 : 1,135,661.19 = 283,683.25 : x
  2. Step 2: Convert to fraction form
    757,330.21/1,135,661.19 = 283,683.25/x
  3. Step 3: Cross multiply
    757,330.21x = 1,135,661.19 × 283,683.25
  4. Step 4: Simplify right side
    757,330.21x = 322,168,057,278.07
  5. Step 5: Solve for x
    x = 322,168,057,278.07/757,330.21
  6. Step 6: Final answer
    x = 425,399.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.