Finding the Fourth Proportional to 990,368.24, 1,366,704.36 and 537,659.12
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Solution
The fourth proportional to 990,368.24, 1,366,704.36 and 537,659.12 is: 741,967.52
Step by Step Solution
- Step 1: Write the proportion equation
990,368.24 : 1,366,704.36 = 537,659.12 : x - Step 2: Convert to fraction form
990,368.24/1,366,704.36 = 537,659.12/x - Step 3: Cross multiply
990,368.24x = 1,366,704.36 × 537,659.12 - Step 4: Simplify right side
990,368.24x = 734,821,063,497.76 - Step 5: Solve for x
x = 734,821,063,497.76/990,368.24 - Step 6: Final answer
x = 741,967.52
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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.