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Finding the Fourth Proportional to 539,608.28, 744,649.97 and 297,884.64

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Solution

The fourth proportional to 539,608.28, 744,649.97 and 297,884.64 is: 411,075.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,608.28 : 744,649.97 = 297,884.64 : x
  2. Step 2: Convert to fraction form
    539,608.28/744,649.97 = 297,884.64/x
  3. Step 3: Cross multiply
    539,608.28x = 744,649.97 × 297,884.64
  4. Step 4: Simplify right side
    539,608.28x = 221,819,788,239.46
  5. Step 5: Solve for x
    x = 221,819,788,239.46/539,608.28
  6. Step 6: Final answer
    x = 411,075.58

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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.