Finding the Fourth Proportional to 920,312.21, 1,270,654.29 and 576,286.18
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Solution
The fourth proportional to 920,312.21, 1,270,654.29 and 576,286.18 is: 795,665.31
Step by Step Solution
- Step 1: Write the proportion equation
920,312.21 : 1,270,654.29 = 576,286.18 : x - Step 2: Convert to fraction form
920,312.21/1,270,654.29 = 576,286.18/x - Step 3: Cross multiply
920,312.21x = 1,270,654.29 × 576,286.18 - Step 4: Simplify right side
920,312.21x = 732,260,503,708.08 - Step 5: Solve for x
x = 732,260,503,708.08/920,312.21 - Step 6: Final answer
x = 795,665.31
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.