Finding the Fourth Proportional to 791,329.17, 1,186,751.36 and 285,827.81
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Solution
The fourth proportional to 791,329.17, 1,186,751.36 and 285,827.81 is: 428,654.17
Step by Step Solution
- Step 1: Write the proportion equation
791,329.17 : 1,186,751.36 = 285,827.81 : x - Step 2: Convert to fraction form
791,329.17/1,186,751.36 = 285,827.81/x - Step 3: Cross multiply
791,329.17x = 1,186,751.36 × 285,827.81 - Step 4: Simplify right side
791,329.17x = 339,206,547,439.28 - Step 5: Solve for x
x = 339,206,547,439.28/791,329.17 - Step 6: Final answer
x = 428,654.17
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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.