Finding the Fourth Proportional to 1,008,292.25, 1,391,425.41 and 549,409.99
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Solution
The fourth proportional to 1,008,292.25, 1,391,425.41 and 549,409.99 is: 758,176.04
Step by Step Solution
- Step 1: Write the proportion equation
1,008,292.25 : 1,391,425.41 = 549,409.99 : x - Step 2: Convert to fraction form
1,008,292.25/1,391,425.41 = 549,409.99/x - Step 3: Cross multiply
1,008,292.25x = 1,391,425.41 × 549,409.99 - Step 4: Simplify right side
1,008,292.25x = 764,463,017,115.28 - Step 5: Solve for x
x = 764,463,017,115.28/1,008,292.25 - Step 6: Final answer
x = 758,176.04
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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.