Home / 927,356.47-1,282,569.37-831,828.31

Finding the Fourth Proportional to 927,356.47, 1,282,569.37 and 831,828.31

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Solution

The fourth proportional to 927,356.47, 1,282,569.37 and 831,828.31 is: 1,150,450.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,356.47 : 1,282,569.37 = 831,828.31 : x
  2. Step 2: Convert to fraction form
    927,356.47/1,282,569.37 = 831,828.31/x
  3. Step 3: Cross multiply
    927,356.47x = 1,282,569.37 × 831,828.31
  4. Step 4: Simplify right side
    927,356.47x = 1,066,877,511,504.86
  5. Step 5: Solve for x
    x = 1,066,877,511,504.86/927,356.47
  6. Step 6: Final answer
    x = 1,150,450.28

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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.