Home / 758,242.37-1,137,047.35-308,658.05

Finding the Fourth Proportional to 758,242.37, 1,137,047.35 and 308,658.05

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Solution

The fourth proportional to 758,242.37, 1,137,047.35 and 308,658.05 is: 462,858.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,242.37 : 1,137,047.35 = 308,658.05 : x
  2. Step 2: Convert to fraction form
    758,242.37/1,137,047.35 = 308,658.05/x
  3. Step 3: Cross multiply
    758,242.37x = 1,137,047.35 × 308,658.05
  4. Step 4: Simplify right side
    758,242.37x = 350,958,819,879.64
  5. Step 5: Solve for x
    x = 350,958,819,879.64/758,242.37
  6. Step 6: Final answer
    x = 462,858.36

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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.