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Finding the Fourth Proportional to 424,499.01, 585,755.46 and 286,977.21

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Solution

The fourth proportional to 424,499.01, 585,755.46 and 286,977.21 is: 395,992.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,499.01 : 585,755.46 = 286,977.21 : x
  2. Step 2: Convert to fraction form
    424,499.01/585,755.46 = 286,977.21/x
  3. Step 3: Cross multiply
    424,499.01x = 585,755.46 × 286,977.21
  4. Step 4: Simplify right side
    424,499.01x = 168,098,467,653.07
  5. Step 5: Solve for x
    x = 168,098,467,653.07/424,499.01
  6. Step 6: Final answer
    x = 395,992.60

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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.