Finding the Fourth Proportional to 851,706.36, 1,277,560.08 and 477,991.80
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Solution
The fourth proportional to 851,706.36, 1,277,560.08 and 477,991.80 is: 716,988.00
Step by Step Solution
- Step 1: Write the proportion equation
851,706.36 : 1,277,560.08 = 477,991.80 : x - Step 2: Convert to fraction form
851,706.36/1,277,560.08 = 477,991.80/x - Step 3: Cross multiply
851,706.36x = 1,277,560.08 × 477,991.80 - Step 4: Simplify right side
851,706.36x = 610,663,242,247.34 - Step 5: Solve for x
x = 610,663,242,247.34/851,706.36 - Step 6: Final answer
x = 716,988.00
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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.