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Finding the Fourth Proportional to 539,316, 744,256.08 and 300,852

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Solution

The fourth proportional to 539,316, 744,256.08 and 300,852 is: 415,175.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,316 : 744,256.08 = 300,852 : x
  2. Step 2: Convert to fraction form
    539,316/744,256.08 = 300,852/x
  3. Step 3: Cross multiply
    539,316x = 744,256.08 × 300,852
  4. Step 4: Simplify right side
    539,316x = 223,910,930,180.16
  5. Step 5: Solve for x
    x = 223,910,930,180.16/539,316
  6. Step 6: Final answer
    x = 415,175.76

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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.