Home / 757,150.56-1,134,603.78-307,324.08

Finding the Fourth Proportional to 757,150.56, 1,134,603.78 and 307,324.08

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Solution

The fourth proportional to 757,150.56, 1,134,603.78 and 307,324.08 is: 460,530.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,150.56 : 1,134,603.78 = 307,324.08 : x
  2. Step 2: Convert to fraction form
    757,150.56/1,134,603.78 = 307,324.08/x
  3. Step 3: Cross multiply
    757,150.56x = 1,134,603.78 × 307,324.08
  4. Step 4: Simplify right side
    757,150.56x = 348,691,062,853.02
  5. Step 5: Solve for x
    x = 348,691,062,853.02/757,150.56
  6. Step 6: Final answer
    x = 460,530.68

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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.