Finding the Fourth Proportional to 527,975.56, 728,620.62 and 298,567.18
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Solution
The fourth proportional to 527,975.56, 728,620.62 and 298,567.18 is: 412,030.82
Step by Step Solution
- Step 1: Write the proportion equation
527,975.56 : 728,620.62 = 298,567.18 : x - Step 2: Convert to fraction form
527,975.56/728,620.62 = 298,567.18/x - Step 3: Cross multiply
527,975.56x = 728,620.62 × 298,567.18 - Step 4: Simplify right side
527,975.56x = 217,542,203,803.25 - Step 5: Solve for x
x = 217,542,203,803.25/527,975.56 - Step 6: Final answer
x = 412,030.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.