Finding the Fourth Proportional to 864,245.80, 1,296,368.70 and 829,253.80
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Solution
The fourth proportional to 864,245.80, 1,296,368.70 and 829,253.80 is: 1,243,880.70
Step by Step Solution
- Step 1: Write the proportion equation
864,245.80 : 1,296,368.70 = 829,253.80 : x - Step 2: Convert to fraction form
864,245.80/1,296,368.70 = 829,253.80/x - Step 3: Cross multiply
864,245.80x = 1,296,368.70 × 829,253.80 - Step 4: Simplify right side
864,245.80x = 1,075,018,670,676.06 - Step 5: Solve for x
x = 1,075,018,670,676.06/864,245.80 - Step 6: Final answer
x = 1,243,880.70
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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.