Home / 744,768.03-1,027,855.53-438,942.89

Finding the Fourth Proportional to 744,768.03, 1,027,855.53 and 438,942.89

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Solution

The fourth proportional to 744,768.03, 1,027,855.53 and 438,942.89 is: 605,785.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,768.03 : 1,027,855.53 = 438,942.89 : x
  2. Step 2: Convert to fraction form
    744,768.03/1,027,855.53 = 438,942.89/x
  3. Step 3: Cross multiply
    744,768.03x = 1,027,855.53 × 438,942.89
  4. Step 4: Simplify right side
    744,768.03x = 451,169,871,701.40
  5. Step 5: Solve for x
    x = 451,169,871,701.40/744,768.03
  6. Step 6: Final answer
    x = 605,785.77

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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.