Finding the Fourth Proportional to 1,377,413.68, 2,064,937.08 and 478,738.72
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Solution
The fourth proportional to 1,377,413.68, 2,064,937.08 and 478,738.72 is: 717,696.76
Step by Step Solution
- Step 1: Write the proportion equation
1,377,413.68 : 2,064,937.08 = 478,738.72 : x - Step 2: Convert to fraction form
1,377,413.68/2,064,937.08 = 478,738.72/x - Step 3: Cross multiply
1,377,413.68x = 2,064,937.08 × 478,738.72 - Step 4: Simplify right side
1,377,413.68x = 988,565,334,559.74 - Step 5: Solve for x
x = 988,565,334,559.74/1,377,413.68 - Step 6: Final answer
x = 717,696.76
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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.