Home / 529,631.94-730,896.83-287,914.98

Finding the Fourth Proportional to 529,631.94, 730,896.83 and 287,914.98

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Solution

The fourth proportional to 529,631.94, 730,896.83 and 287,914.98 is: 397,325.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,631.94 : 730,896.83 = 287,914.98 : x
  2. Step 2: Convert to fraction form
    529,631.94/730,896.83 = 287,914.98/x
  3. Step 3: Cross multiply
    529,631.94x = 730,896.83 × 287,914.98
  4. Step 4: Simplify right side
    529,631.94x = 210,436,143,090.76
  5. Step 5: Solve for x
    x = 210,436,143,090.76/529,631.94
  6. Step 6: Final answer
    x = 397,325.25

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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.