Home / 989,553.31-1,365,586.19-536,844.31

Finding the Fourth Proportional to 989,553.31, 1,365,586.19 and 536,844.31

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Solution

The fourth proportional to 989,553.31, 1,365,586.19 and 536,844.31 is: 740,846.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,553.31 : 1,365,586.19 = 536,844.31 : x
  2. Step 2: Convert to fraction form
    989,553.31/1,365,586.19 = 536,844.31/x
  3. Step 3: Cross multiply
    989,553.31x = 1,365,586.19 × 536,844.31
  4. Step 4: Simplify right side
    989,553.31x = 733,107,171,831.06
  5. Step 5: Solve for x
    x = 733,107,171,831.06/989,553.31
  6. Step 6: Final answer
    x = 740,846.57

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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.