Home / 757,845.88-1,045,801.18-451,764.28

Finding the Fourth Proportional to 757,845.88, 1,045,801.18 and 451,764.28

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Solution

The fourth proportional to 757,845.88, 1,045,801.18 and 451,764.28 is: 623,419.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,845.88 : 1,045,801.18 = 451,764.28 : x
  2. Step 2: Convert to fraction form
    757,845.88/1,045,801.18 = 451,764.28/x
  3. Step 3: Cross multiply
    757,845.88x = 1,045,801.18 × 451,764.28
  4. Step 4: Simplify right side
    757,845.88x = 472,455,617,105.85
  5. Step 5: Solve for x
    x = 472,455,617,105.85/757,845.88
  6. Step 6: Final answer
    x = 623,419.13

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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.