Home / 758,969.14-1,138,458.60-303,598.42

Finding the Fourth Proportional to 758,969.14, 1,138,458.60 and 303,598.42

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Solution

The fourth proportional to 758,969.14, 1,138,458.60 and 303,598.42 is: 455,399.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,969.14 : 1,138,458.60 = 303,598.42 : x
  2. Step 2: Convert to fraction form
    758,969.14/1,138,458.60 = 303,598.42/x
  3. Step 3: Cross multiply
    758,969.14x = 1,138,458.60 × 303,598.42
  4. Step 4: Simplify right side
    758,969.14x = 345,634,232,195.41
  5. Step 5: Solve for x
    x = 345,634,232,195.41/758,969.14
  6. Step 6: Final answer
    x = 455,399.59

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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.