Finding the Fourth Proportional to 690,884.60, 1,036,637.93 and 374,867.96
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Solution
The fourth proportional to 690,884.60, 1,036,637.93 and 374,867.96 is: 562,470.70
Step by Step Solution
- Step 1: Write the proportion equation
690,884.60 : 1,036,637.93 = 374,867.96 : x - Step 2: Convert to fraction form
690,884.60/1,036,637.93 = 374,867.96/x - Step 3: Cross multiply
690,884.60x = 1,036,637.93 × 374,867.96 - Step 4: Simplify right side
690,884.60x = 388,602,346,077.72 - Step 5: Solve for x
x = 388,602,346,077.72/690,884.60 - Step 6: Final answer
x = 562,470.70
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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.