Home / 989,699.41-1,365,780.37-536,990.41

Finding the Fourth Proportional to 989,699.41, 1,365,780.37 and 536,990.41

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Solution

The fourth proportional to 989,699.41, 1,365,780.37 and 536,990.41 is: 741,044.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,699.41 : 1,365,780.37 = 536,990.41 : x
  2. Step 2: Convert to fraction form
    989,699.41/1,365,780.37 = 536,990.41/x
  3. Step 3: Cross multiply
    989,699.41x = 1,365,780.37 × 536,990.41
  4. Step 4: Simplify right side
    989,699.41x = 733,410,951,342.40
  5. Step 5: Solve for x
    x = 733,410,951,342.40/989,699.41
  6. Step 6: Final answer
    x = 741,044.15

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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.