Home / 788,822.34-1,183,765.95-308,990.64

Finding the Fourth Proportional to 788,822.34, 1,183,765.95 and 308,990.64

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Solution

The fourth proportional to 788,822.34, 1,183,765.95 and 308,990.64 is: 463,694.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,822.34 : 1,183,765.95 = 308,990.64 : x
  2. Step 2: Convert to fraction form
    788,822.34/1,183,765.95 = 308,990.64/x
  3. Step 3: Cross multiply
    788,822.34x = 1,183,765.95 × 308,990.64
  4. Step 4: Simplify right side
    788,822.34x = 365,772,598,500.71
  5. Step 5: Solve for x
    x = 365,772,598,500.71/788,822.34
  6. Step 6: Final answer
    x = 463,694.52

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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.