Finding the Fourth Proportional to 1,008,806.70, 1,392,135.21 and 549,925.23
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Solution
The fourth proportional to 1,008,806.70, 1,392,135.21 and 549,925.23 is: 758,886.99
Step by Step Solution
- Step 1: Write the proportion equation
1,008,806.70 : 1,392,135.21 = 549,925.23 : x - Step 2: Convert to fraction form
1,008,806.70/1,392,135.21 = 549,925.23/x - Step 3: Cross multiply
1,008,806.70x = 1,392,135.21 × 549,925.23 - Step 4: Simplify right side
1,008,806.70x = 765,570,275,550.35 - Step 5: Solve for x
x = 765,570,275,550.35/1,008,806.70 - Step 6: Final answer
x = 758,886.99
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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.