Finding the Fourth Proportional to 527,979.14, 728,567.68 and 298,559.88
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Solution
The fourth proportional to 527,979.14, 728,567.68 and 298,559.88 is: 411,988.02
Step by Step Solution
- Step 1: Write the proportion equation
527,979.14 : 728,567.68 = 298,559.88 : x - Step 2: Convert to fraction form
527,979.14/728,567.68 = 298,559.88/x - Step 3: Cross multiply
527,979.14x = 728,567.68 × 298,559.88 - Step 4: Simplify right side
527,979.14x = 217,521,079,112.68 - Step 5: Solve for x
x = 217,521,079,112.68/527,979.14 - Step 6: Final answer
x = 411,988.02
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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.