Finding the Fourth Proportional to 990,024.65, 1,366,234.58 and 537,315.65
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Solution
The fourth proportional to 990,024.65, 1,366,234.58 and 537,315.65 is: 741,495.90
Step by Step Solution
- Step 1: Write the proportion equation
990,024.65 : 1,366,234.58 = 537,315.65 : x - Step 2: Convert to fraction form
990,024.65/1,366,234.58 = 537,315.65/x - Step 3: Cross multiply
990,024.65x = 1,366,234.58 × 537,315.65 - Step 4: Simplify right side
990,024.65x = 734,099,218,718.60 - Step 5: Solve for x
x = 734,099,218,718.60/990,024.65 - Step 6: Final answer
x = 741,495.90
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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.