Finding the Fourth Proportional to 504,966.80, 756,413.40 and 411,654.80
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Solution
The fourth proportional to 504,966.80, 756,413.40 and 411,654.80 is: 616,636.99
Step by Step Solution
- Step 1: Write the proportion equation
504,966.80 : 756,413.40 = 411,654.80 : x - Step 2: Convert to fraction form
504,966.80/756,413.40 = 411,654.80/x - Step 3: Cross multiply
504,966.80x = 756,413.40 × 411,654.80 - Step 4: Simplify right side
504,966.80x = 311,381,206,894.32 - Step 5: Solve for x
x = 311,381,206,894.32/504,966.80 - Step 6: Final answer
x = 616,636.99
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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.