Finding the Fourth Proportional to 811,403.84, 1,119,651.10 and 448,770.08
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Solution
The fourth proportional to 811,403.84, 1,119,651.10 and 448,770.08 is: 619,255.04
Step by Step Solution
- Step 1: Write the proportion equation
811,403.84 : 1,119,651.10 = 448,770.08 : x - Step 2: Convert to fraction form
811,403.84/1,119,651.10 = 448,770.08/x - Step 3: Cross multiply
811,403.84x = 1,119,651.10 × 448,770.08 - Step 4: Simplify right side
811,403.84x = 502,465,913,719.09 - Step 5: Solve for x
x = 502,465,913,719.09/811,403.84 - Step 6: Final answer
x = 619,255.04
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1.5x scale
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.