Home / 529,677.48-730,969.07-287,976.33

Finding the Fourth Proportional to 529,677.48, 730,969.07 and 287,976.33

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Solution

The fourth proportional to 529,677.48, 730,969.07 and 287,976.33 is: 397,415.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,677.48 : 730,969.07 = 287,976.33 : x
  2. Step 2: Convert to fraction form
    529,677.48/730,969.07 = 287,976.33/x
  3. Step 3: Cross multiply
    529,677.48x = 730,969.07 × 287,976.33
  4. Step 4: Simplify right side
    529,677.48x = 210,501,788,682.23
  5. Step 5: Solve for x
    x = 210,501,788,682.23/529,677.48
  6. Step 6: Final answer
    x = 397,415.02

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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.