Home / 744,640.89-1,117,427.89-301,408.89

Finding the Fourth Proportional to 744,640.89, 1,117,427.89 and 301,408.89

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Solution

The fourth proportional to 744,640.89, 1,117,427.89 and 301,408.89 is: 452,302.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,640.89 : 1,117,427.89 = 301,408.89 : x
  2. Step 2: Convert to fraction form
    744,640.89/1,117,427.89 = 301,408.89/x
  3. Step 3: Cross multiply
    744,640.89x = 1,117,427.89 × 301,408.89
  4. Step 4: Simplify right side
    744,640.89x = 336,802,699,979.94
  5. Step 5: Solve for x
    x = 336,802,699,979.94/744,640.89
  6. Step 6: Final answer
    x = 452,302.18

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1.5x scale

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.