Finding the Fourth Proportional to 990,559.08, 1,366,972.07 and 537,850.08
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Solution
The fourth proportional to 990,559.08, 1,366,972.07 and 537,850.08 is: 742,233.40
Step by Step Solution
- Step 1: Write the proportion equation
990,559.08 : 1,366,972.07 = 537,850.08 : x - Step 2: Convert to fraction form
990,559.08/1,366,972.07 = 537,850.08/x - Step 3: Cross multiply
990,559.08x = 1,366,972.07 × 537,850.08 - Step 4: Simplify right side
990,559.08x = 735,226,034,518.02 - Step 5: Solve for x
x = 735,226,034,518.02/990,559.08 - Step 6: Final answer
x = 742,233.40
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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.