Finding the Fourth Proportional to 519,706.68, 717,413.99 and 315,823.20
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Solution
The fourth proportional to 519,706.68, 717,413.99 and 315,823.20 is: 435,968.96
Step by Step Solution
- Step 1: Write the proportion equation
519,706.68 : 717,413.99 = 315,823.20 : x - Step 2: Convert to fraction form
519,706.68/717,413.99 = 315,823.20/x - Step 3: Cross multiply
519,706.68x = 717,413.99 × 315,823.20 - Step 4: Simplify right side
519,706.68x = 226,575,982,046.57 - Step 5: Solve for x
x = 226,575,982,046.57/519,706.68 - Step 6: Final answer
x = 435,968.96
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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.