Home / 989,827.70-1,365,990.99-560,098.60

Finding the Fourth Proportional to 989,827.70, 1,365,990.99 and 560,098.60

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Solution

The fourth proportional to 989,827.70, 1,365,990.99 and 560,098.60 is: 772,952.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,827.70 : 1,365,990.99 = 560,098.60 : x
  2. Step 2: Convert to fraction form
    989,827.70/1,365,990.99 = 560,098.60/x
  3. Step 3: Cross multiply
    989,827.70x = 1,365,990.99 × 560,098.60
  4. Step 4: Simplify right side
    989,827.70x = 765,089,635,596.27
  5. Step 5: Solve for x
    x = 765,089,635,596.27/989,827.70
  6. Step 6: Final answer
    x = 772,952.34

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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.