Home / 763,345.33-1,145,054.82-250,999.13

Finding the Fourth Proportional to 763,345.33, 1,145,054.82 and 250,999.13

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Solution

The fourth proportional to 763,345.33, 1,145,054.82 and 250,999.13 is: 376,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,345.33 : 1,145,054.82 = 250,999.13 : x
  2. Step 2: Convert to fraction form
    763,345.33/1,145,054.82 = 250,999.13/x
  3. Step 3: Cross multiply
    763,345.33x = 1,145,054.82 × 250,999.13
  4. Step 4: Simplify right side
    763,345.33x = 287,407,757,897.03
  5. Step 5: Solve for x
    x = 287,407,757,897.03/763,345.33
  6. Step 6: Final answer
    x = 376,510.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.