Finding the Fourth Proportional to 871,940.84, 1,203,391.08 and 489,967.65
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Solution
The fourth proportional to 871,940.84, 1,203,391.08 and 489,967.65 is: 676,218.70
Step by Step Solution
- Step 1: Write the proportion equation
871,940.84 : 1,203,391.08 = 489,967.65 : x - Step 2: Convert to fraction form
871,940.84/1,203,391.08 = 489,967.65/x - Step 3: Cross multiply
871,940.84x = 1,203,391.08 × 489,967.65 - Step 4: Simplify right side
871,940.84x = 589,622,699,498.56 - Step 5: Solve for x
x = 589,622,699,498.56/871,940.84 - Step 6: Final answer
x = 676,218.70
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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.