Home / 788,698.53-1,183,246.89-220,079.15

Finding the Fourth Proportional to 788,698.53, 1,183,246.89 and 220,079.15

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Solution

The fourth proportional to 788,698.53, 1,183,246.89 and 220,079.15 is: 330,174.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,698.53 : 1,183,246.89 = 220,079.15 : x
  2. Step 2: Convert to fraction form
    788,698.53/1,183,246.89 = 220,079.15/x
  3. Step 3: Cross multiply
    788,698.53x = 1,183,246.89 × 220,079.15
  4. Step 4: Simplify right side
    788,698.53x = 260,407,974,968.05
  5. Step 5: Solve for x
    x = 260,407,974,968.05/788,698.53
  6. Step 6: Final answer
    x = 330,174.29

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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.