Home / 788,800.20-1,183,724.40-290,164.20

Finding the Fourth Proportional to 788,800.20, 1,183,724.40 and 290,164.20

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Solution

The fourth proportional to 788,800.20, 1,183,724.40 and 290,164.20 is: 435,439.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,800.20 : 1,183,724.40 = 290,164.20 : x
  2. Step 2: Convert to fraction form
    788,800.20/1,183,724.40 = 290,164.20/x
  3. Step 3: Cross multiply
    788,800.20x = 1,183,724.40 × 290,164.20
  4. Step 4: Simplify right side
    788,800.20x = 343,474,443,546.48
  5. Step 5: Solve for x
    x = 343,474,443,546.48/788,800.20
  6. Step 6: Final answer
    x = 435,439.09

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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.