Finding the Fourth Proportional to 810,964, 1,119,130.08 and 443,442.08
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Solution
The fourth proportional to 810,964, 1,119,130.08 and 443,442.08 is: 611,949.94
Step by Step Solution
- Step 1: Write the proportion equation
810,964 : 1,119,130.08 = 443,442.08 : x - Step 2: Convert to fraction form
810,964/1,119,130.08 = 443,442.08/x - Step 3: Cross multiply
810,964x = 1,119,130.08 × 443,442.08 - Step 4: Simplify right side
810,964x = 496,269,370,465.77 - Step 5: Solve for x
x = 496,269,370,465.77/810,964 - Step 6: Final answer
x = 611,949.94
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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.