Home / 788,902.62-1,183,664.97-290,305.50

Finding the Fourth Proportional to 788,902.62, 1,183,664.97 and 290,305.50

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Solution

The fourth proportional to 788,902.62, 1,183,664.97 and 290,305.50 is: 435,572.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,902.62 : 1,183,664.97 = 290,305.50 : x
  2. Step 2: Convert to fraction form
    788,902.62/1,183,664.97 = 290,305.50/x
  3. Step 3: Cross multiply
    788,902.62x = 1,183,664.97 × 290,305.50
  4. Step 4: Simplify right side
    788,902.62x = 343,624,450,948.34
  5. Step 5: Solve for x
    x = 343,624,450,948.34/788,902.62
  6. Step 6: Final answer
    x = 435,572.71

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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.