Finding the Fourth Proportional to 810,911.08, 1,118,811.68 and 565,889.32
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Solution
The fourth proportional to 810,911.08, 1,118,811.68 and 565,889.32 is: 780,755.86
Step by Step Solution
- Step 1: Write the proportion equation
810,911.08 : 1,118,811.68 = 565,889.32 : x - Step 2: Convert to fraction form
810,911.08/1,118,811.68 = 565,889.32/x - Step 3: Cross multiply
810,911.08x = 1,118,811.68 × 565,889.32 - Step 4: Simplify right side
810,911.08x = 633,123,580,803.26 - Step 5: Solve for x
x = 633,123,580,803.26/810,911.08 - Step 6: Final answer
x = 780,755.86
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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.