Finding the Fourth Proportional to 885,854.62, 1,328,956.80 and 324,893.98
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Solution
The fourth proportional to 885,854.62, 1,328,956.80 and 324,893.98 is: 487,405.10
Step by Step Solution
- Step 1: Write the proportion equation
885,854.62 : 1,328,956.80 = 324,893.98 : x - Step 2: Convert to fraction form
885,854.62/1,328,956.80 = 324,893.98/x - Step 3: Cross multiply
885,854.62x = 1,328,956.80 × 324,893.98 - Step 4: Simplify right side
885,854.62x = 431,770,064,000.06 - Step 5: Solve for x
x = 431,770,064,000.06/885,854.62 - Step 6: Final answer
x = 487,405.10
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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.