Finding the Fourth Proportional to 573,442.88, 791,352.08 and 318,794.06
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Solution
The fourth proportional to 573,442.88, 791,352.08 and 318,794.06 is: 439,936.31
Step by Step Solution
- Step 1: Write the proportion equation
573,442.88 : 791,352.08 = 318,794.06 : x - Step 2: Convert to fraction form
573,442.88/791,352.08 = 318,794.06/x - Step 3: Cross multiply
573,442.88x = 791,352.08 × 318,794.06 - Step 4: Simplify right side
573,442.88x = 252,278,344,052.53 - Step 5: Solve for x
x = 252,278,344,052.53/573,442.88 - Step 6: Final answer
x = 439,936.31
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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.