Finding the Fourth Proportional to 832,307.52, 1,148,461.23 and 505,450.56
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Solution
The fourth proportional to 832,307.52, 1,148,461.23 and 505,450.56 is: 697,446.99
Step by Step Solution
- Step 1: Write the proportion equation
832,307.52 : 1,148,461.23 = 505,450.56 : x - Step 2: Convert to fraction form
832,307.52/1,148,461.23 = 505,450.56/x - Step 3: Cross multiply
832,307.52x = 1,148,461.23 × 505,450.56 - Step 4: Simplify right side
832,307.52x = 580,490,371,841.79 - Step 5: Solve for x
x = 580,490,371,841.79/832,307.52 - Step 6: Final answer
x = 697,446.99
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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.