Home / 529,476.45-730,683.15-287,759.04

Finding the Fourth Proportional to 529,476.45, 730,683.15 and 287,759.04

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Solution

The fourth proportional to 529,476.45, 730,683.15 and 287,759.04 is: 397,110.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,476.45 : 730,683.15 = 287,759.04 : x
  2. Step 2: Convert to fraction form
    529,476.45/730,683.15 = 287,759.04/x
  3. Step 3: Cross multiply
    529,476.45x = 730,683.15 × 287,759.04
  4. Step 4: Simplify right side
    529,476.45x = 210,260,678,965.24
  5. Step 5: Solve for x
    x = 210,260,678,965.24/529,476.45
  6. Step 6: Final answer
    x = 397,110.54

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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.