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Finding the Fourth Proportional to 528,342.87, 792,021.26 and 208,497.39

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Solution

The fourth proportional to 528,342.87, 792,021.26 and 208,497.39 is: 312,551.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,342.87 : 792,021.26 = 208,497.39 : x
  2. Step 2: Convert to fraction form
    528,342.87/792,021.26 = 208,497.39/x
  3. Step 3: Cross multiply
    528,342.87x = 792,021.26 × 208,497.39
  4. Step 4: Simplify right side
    528,342.87x = 165,134,365,534.51
  5. Step 5: Solve for x
    x = 165,134,365,534.51/528,342.87
  6. Step 6: Final answer
    x = 312,551.52

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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.