Finding the Fourth Proportional to 831,167.98, 1,146,985.82 and 468,586.62
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Solution
The fourth proportional to 831,167.98, 1,146,985.82 and 468,586.62 is: 646,634.88
Step by Step Solution
- Step 1: Write the proportion equation
831,167.98 : 1,146,985.82 = 468,586.62 : x - Step 2: Convert to fraction form
831,167.98/1,146,985.82 = 468,586.62/x - Step 3: Cross multiply
831,167.98x = 1,146,985.82 × 468,586.62 - Step 4: Simplify right side
831,167.98x = 537,462,207,996.00 - Step 5: Solve for x
x = 537,462,207,996.00/831,167.98 - Step 6: Final answer
x = 646,634.88
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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.