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Finding the Fourth Proportional to 538,830.72, 743,570.48 and 297,113.24

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Solution

The fourth proportional to 538,830.72, 743,570.48 and 297,113.24 is: 410,007.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,830.72 : 743,570.48 = 297,113.24 : x
  2. Step 2: Convert to fraction form
    538,830.72/743,570.48 = 297,113.24/x
  3. Step 3: Cross multiply
    538,830.72x = 743,570.48 × 297,113.24
  4. Step 4: Simplify right side
    538,830.72x = 220,924,637,082.87
  5. Step 5: Solve for x
    x = 220,924,637,082.87/538,830.72
  6. Step 6: Final answer
    x = 410,007.50

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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.