Finding the Fourth Proportional to 580,413.65, 869,393.93 and 367,071.80
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Solution
The fourth proportional to 580,413.65, 869,393.93 and 367,071.80 is: 549,831.99
Step by Step Solution
- Step 1: Write the proportion equation
580,413.65 : 869,393.93 = 367,071.80 : x - Step 2: Convert to fraction form
580,413.65/869,393.93 = 367,071.80/x - Step 3: Cross multiply
580,413.65x = 869,393.93 × 367,071.80 - Step 4: Simplify right side
580,413.65x = 319,129,988,611.85 - Step 5: Solve for x
x = 319,129,988,611.85/580,413.65 - Step 6: Final answer
x = 549,831.99
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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.