Finding the Fourth Proportional to 549,207.85, 822,324.99 and 388,623.73
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Solution
The fourth proportional to 549,207.85, 822,324.99 and 388,623.73 is: 581,883.53
Step by Step Solution
- Step 1: Write the proportion equation
549,207.85 : 822,324.99 = 388,623.73 : x - Step 2: Convert to fraction form
549,207.85/822,324.99 = 388,623.73/x - Step 3: Cross multiply
549,207.85x = 822,324.99 × 388,623.73 - Step 4: Simplify right side
549,207.85x = 319,575,004,886.01 - Step 5: Solve for x
x = 319,575,004,886.01/549,207.85 - Step 6: Final answer
x = 581,883.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.