Finding the Fourth Proportional to 908,119.89, 1,361,245.23 and 402,918.84
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Solution
The fourth proportional to 908,119.89, 1,361,245.23 and 402,918.84 is: 603,963.59
Step by Step Solution
- Step 1: Write the proportion equation
908,119.89 : 1,361,245.23 = 402,918.84 : x - Step 2: Convert to fraction form
908,119.89/1,361,245.23 = 402,918.84/x - Step 3: Cross multiply
908,119.89x = 1,361,245.23 × 402,918.84 - Step 4: Simplify right side
908,119.89x = 548,471,349,027.13 - Step 5: Solve for x
x = 548,471,349,027.13/908,119.89 - Step 6: Final answer
x = 603,963.59
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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.