Finding the Fourth Proportional to 818,810.50, 1,129,962.97 and 474,850.36
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Solution
The fourth proportional to 818,810.50, 1,129,962.97 and 474,850.36 is: 655,296.09
Step by Step Solution
- Step 1: Write the proportion equation
818,810.50 : 1,129,962.97 = 474,850.36 : x - Step 2: Convert to fraction form
818,810.50/1,129,962.97 = 474,850.36/x - Step 3: Cross multiply
818,810.50x = 1,129,962.97 × 474,850.36 - Step 4: Simplify right side
818,810.50x = 536,563,319,079.14 - Step 5: Solve for x
x = 536,563,319,079.14/818,810.50 - Step 6: Final answer
x = 655,296.09
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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.