Home / 989,015.94-1,364,850.54-536,306.94

Finding the Fourth Proportional to 989,015.94, 1,364,850.54 and 536,306.94

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Solution

The fourth proportional to 989,015.94, 1,364,850.54 and 536,306.94 is: 740,108.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,015.94 : 1,364,850.54 = 536,306.94 : x
  2. Step 2: Convert to fraction form
    989,015.94/1,364,850.54 = 536,306.94/x
  3. Step 3: Cross multiply
    989,015.94x = 1,364,850.54 × 536,306.94
  4. Step 4: Simplify right side
    989,015.94x = 731,978,816,664.75
  5. Step 5: Solve for x
    x = 731,978,816,664.75/989,015.94
  6. Step 6: Final answer
    x = 740,108.21

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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.