Home / 788,998.50-1,088,817.93-449,466.75

Finding the Fourth Proportional to 788,998.50, 1,088,817.93 and 449,466.75

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Solution

The fourth proportional to 788,998.50, 1,088,817.93 and 449,466.75 is: 620,264.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,998.50 : 1,088,817.93 = 449,466.75 : x
  2. Step 2: Convert to fraction form
    788,998.50/1,088,817.93 = 449,466.75/x
  3. Step 3: Cross multiply
    788,998.50x = 1,088,817.93 × 449,466.75
  4. Step 4: Simplify right side
    788,998.50x = 489,387,456,338.83
  5. Step 5: Solve for x
    x = 489,387,456,338.83/788,998.50
  6. Step 6: Final answer
    x = 620,264.12

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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.