Home / 788,828.20-1,183,766.40-290,192.20

Finding the Fourth Proportional to 788,828.20, 1,183,766.40 and 290,192.20

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Solution

The fourth proportional to 788,828.20, 1,183,766.40 and 290,192.20 is: 435,481.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,828.20 : 1,183,766.40 = 290,192.20 : x
  2. Step 2: Convert to fraction form
    788,828.20/1,183,766.40 = 290,192.20/x
  3. Step 3: Cross multiply
    788,828.20x = 1,183,766.40 × 290,192.20
  4. Step 4: Simplify right side
    788,828.20x = 343,519,775,902.08
  5. Step 5: Solve for x
    x = 343,519,775,902.08/788,828.20
  6. Step 6: Final answer
    x = 435,481.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.