Home / 831,571.06-1,147,863-492,038.50

Finding the Fourth Proportional to 831,571.06, 1,147,863 and 492,038.50

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Solution

The fourth proportional to 831,571.06, 1,147,863 and 492,038.50 is: 679,187.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,571.06 : 1,147,863 = 492,038.50 : x
  2. Step 2: Convert to fraction form
    831,571.06/1,147,863 = 492,038.50/x
  3. Step 3: Cross multiply
    831,571.06x = 1,147,863 × 492,038.50
  4. Step 4: Simplify right side
    831,571.06x = 564,792,788,725.50
  5. Step 5: Solve for x
    x = 564,792,788,725.50/831,571.06
  6. Step 6: Final answer
    x = 679,187.64

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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.