Finding the Fourth Proportional to 991,006.65, 1,367,806.91 and 651,506.49
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Solution
The fourth proportional to 991,006.65, 1,367,806.91 and 651,506.49 is: 899,222.09
Step by Step Solution
- Step 1: Write the proportion equation
991,006.65 : 1,367,806.91 = 651,506.49 : x - Step 2: Convert to fraction form
991,006.65/1,367,806.91 = 651,506.49/x - Step 3: Cross multiply
991,006.65x = 1,367,806.91 × 651,506.49 - Step 4: Simplify right side
991,006.65x = 891,135,075,674.31 - Step 5: Solve for x
x = 891,135,075,674.31/991,006.65 - Step 6: Final answer
x = 899,222.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.