Finding the Fourth Proportional to 1,076,794.80, 1,485,915.48 and 617,812.08
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Solution
The fourth proportional to 1,076,794.80, 1,485,915.48 and 617,812.08 is: 852,545.47
Step by Step Solution
- Step 1: Write the proportion equation
1,076,794.80 : 1,485,915.48 = 617,812.08 : x - Step 2: Convert to fraction form
1,076,794.80/1,485,915.48 = 617,812.08/x - Step 3: Cross multiply
1,076,794.80x = 1,485,915.48 × 617,812.08 - Step 4: Simplify right side
1,076,794.80x = 918,016,533,403.00 - Step 5: Solve for x
x = 918,016,533,403.00/1,076,794.80 - Step 6: Final answer
x = 852,545.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.