Home / 511,490.07-705,898.32-282,092.22

Finding the Fourth Proportional to 511,490.07, 705,898.32 and 282,092.22

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Solution

The fourth proportional to 511,490.07, 705,898.32 and 282,092.22 is: 389,310.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,490.07 : 705,898.32 = 282,092.22 : x
  2. Step 2: Convert to fraction form
    511,490.07/705,898.32 = 282,092.22/x
  3. Step 3: Cross multiply
    511,490.07x = 705,898.32 × 282,092.22
  4. Step 4: Simplify right side
    511,490.07x = 199,128,421,890.24
  5. Step 5: Solve for x
    x = 199,128,421,890.24/511,490.07
  6. Step 6: Final answer
    x = 389,310.44

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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.