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Finding the Fourth Proportional to 573,174.82, 791,068.44 and 412,561.54

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Solution

The fourth proportional to 573,174.82, 791,068.44 and 412,561.54 is: 569,397.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,174.82 : 791,068.44 = 412,561.54 : x
  2. Step 2: Convert to fraction form
    573,174.82/791,068.44 = 412,561.54/x
  3. Step 3: Cross multiply
    573,174.82x = 791,068.44 × 412,561.54
  4. Step 4: Simplify right side
    573,174.82x = 326,364,413,851.80
  5. Step 5: Solve for x
    x = 326,364,413,851.80/573,174.82
  6. Step 6: Final answer
    x = 569,397.68

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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.