Finding the Fourth Proportional to 690,894.60, 1,036,652.93 and 374,877.96
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Solution
The fourth proportional to 690,894.60, 1,036,652.93 and 374,877.96 is: 562,485.70
Step by Step Solution
- Step 1: Write the proportion equation
690,894.60 : 1,036,652.93 = 374,877.96 : x - Step 2: Convert to fraction form
690,894.60/1,036,652.93 = 374,877.96/x - Step 3: Cross multiply
690,894.60x = 1,036,652.93 × 374,877.96 - Step 4: Simplify right side
690,894.60x = 388,618,335,626.42 - Step 5: Solve for x
x = 388,618,335,626.42/690,894.60 - Step 6: Final answer
x = 562,485.70
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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.