Finding the Fourth Proportional to 990,271.95, 1,366,579.40 and 560,634.99
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Solution
The fourth proportional to 990,271.95, 1,366,579.40 and 560,634.99 is: 773,678.61
Step by Step Solution
- Step 1: Write the proportion equation
990,271.95 : 1,366,579.40 = 560,634.99 : x - Step 2: Convert to fraction form
990,271.95/1,366,579.40 = 560,634.99/x - Step 3: Cross multiply
990,271.95x = 1,366,579.40 × 560,634.99 - Step 4: Simplify right side
990,271.95x = 766,152,225,450.03 - Step 5: Solve for x
x = 766,152,225,450.03/990,271.95 - Step 6: Final answer
x = 773,678.61
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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.