Finding the Fourth Proportional to 853,892.79, 1,278,181.98 and 537,685.41
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Solution
The fourth proportional to 853,892.79, 1,278,181.98 and 537,685.41 is: 804,854.91
Step by Step Solution
- Step 1: Write the proportion equation
853,892.79 : 1,278,181.98 = 537,685.41 : x - Step 2: Convert to fraction form
853,892.79/1,278,181.98 = 537,685.41/x - Step 3: Cross multiply
853,892.79x = 1,278,181.98 × 537,685.41 - Step 4: Simplify right side
853,892.79x = 687,259,801,970.91 - Step 5: Solve for x
x = 687,259,801,970.91/853,892.79 - Step 6: Final answer
x = 804,854.91
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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.