Home / 757,676.73-1,045,603.55-447,589.53

Finding the Fourth Proportional to 757,676.73, 1,045,603.55 and 447,589.53

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Solution

The fourth proportional to 757,676.73, 1,045,603.55 and 447,589.53 is: 617,679.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,676.73 : 1,045,603.55 = 447,589.53 : x
  2. Step 2: Convert to fraction form
    757,676.73/1,045,603.55 = 447,589.53/x
  3. Step 3: Cross multiply
    757,676.73x = 1,045,603.55 × 447,589.53
  4. Step 4: Simplify right side
    757,676.73x = 468,001,202,629.81
  5. Step 5: Solve for x
    x = 468,001,202,629.81/757,676.73
  6. Step 6: Final answer
    x = 617,679.26

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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.