Home / 989,605.25-1,365,657.86-536,896.25

Finding the Fourth Proportional to 989,605.25, 1,365,657.86 and 536,896.25

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Solution

The fourth proportional to 989,605.25, 1,365,657.86 and 536,896.25 is: 740,918.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,605.25 : 1,365,657.86 = 536,896.25 : x
  2. Step 2: Convert to fraction form
    989,605.25/1,365,657.86 = 536,896.25/x
  3. Step 3: Cross multiply
    989,605.25x = 1,365,657.86 × 536,896.25
  4. Step 4: Simplify right side
    989,605.25x = 733,216,583,817.03
  5. Step 5: Solve for x
    x = 733,216,583,817.03/989,605.25
  6. Step 6: Final answer
    x = 740,918.24

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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.