Finding the Fourth Proportional to 664,513.07, 997,278.08 and 344,926.76
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Solution
The fourth proportional to 664,513.07, 997,278.08 and 344,926.76 is: 517,654.07
Step by Step Solution
- Step 1: Write the proportion equation
664,513.07 : 997,278.08 = 344,926.76 : x - Step 2: Convert to fraction form
664,513.07/997,278.08 = 344,926.76/x - Step 3: Cross multiply
664,513.07x = 997,278.08 × 344,926.76 - Step 4: Simplify right side
664,513.07x = 343,987,890,242.40 - Step 5: Solve for x
x = 343,987,890,242.40/664,513.07 - Step 6: Final answer
x = 517,654.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.