Home / 788,504.68-1,183,598.70-339,447.88

Finding the Fourth Proportional to 788,504.68, 1,183,598.70 and 339,447.88

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Solution

The fourth proportional to 788,504.68, 1,183,598.70 and 339,447.88 is: 509,534.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,504.68 : 1,183,598.70 = 339,447.88 : x
  2. Step 2: Convert to fraction form
    788,504.68/1,183,598.70 = 339,447.88/x
  3. Step 3: Cross multiply
    788,504.68x = 1,183,598.70 × 339,447.88
  4. Step 4: Simplify right side
    788,504.68x = 401,770,069,485.76
  5. Step 5: Solve for x
    x = 401,770,069,485.76/788,504.68
  6. Step 6: Final answer
    x = 509,534.16

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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.