Finding the Fourth Proportional to 605,888.71, 908,734.60 and 286,039.96
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Solution
The fourth proportional to 605,888.71, 908,734.60 and 286,039.96 is: 429,013.45
Step by Step Solution
- Step 1: Write the proportion equation
605,888.71 : 908,734.60 = 286,039.96 : x - Step 2: Convert to fraction form
605,888.71/908,734.60 = 286,039.96/x - Step 3: Cross multiply
605,888.71x = 908,734.60 × 286,039.96 - Step 4: Simplify right side
605,888.71x = 259,934,405,647.68 - Step 5: Solve for x
x = 259,934,405,647.68/605,888.71 - Step 6: Final answer
x = 429,013.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.