Finding the Fourth Proportional to 677,783.99, 1,015,966.59 and 228,349.58
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Solution
The fourth proportional to 677,783.99, 1,015,966.59 and 228,349.58 is: 342,285.37
Step by Step Solution
- Step 1: Write the proportion equation
677,783.99 : 1,015,966.59 = 228,349.58 : x - Step 2: Convert to fraction form
677,783.99/1,015,966.59 = 228,349.58/x - Step 3: Cross multiply
677,783.99x = 1,015,966.59 × 228,349.58 - Step 4: Simplify right side
677,783.99x = 231,995,539,040.70 - Step 5: Solve for x
x = 231,995,539,040.70/677,783.99 - Step 6: Final answer
x = 342,285.37
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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.