Finding the Fourth Proportional to 811,224.01, 1,119,482.49 and 448,663.15
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Solution
The fourth proportional to 811,224.01, 1,119,482.49 and 448,663.15 is: 619,151.47
Step by Step Solution
- Step 1: Write the proportion equation
811,224.01 : 1,119,482.49 = 448,663.15 : x - Step 2: Convert to fraction form
811,224.01/1,119,482.49 = 448,663.15/x - Step 3: Cross multiply
811,224.01x = 1,119,482.49 × 448,663.15 - Step 4: Simplify right side
811,224.01x = 502,270,540,333.24 - Step 5: Solve for x
x = 502,270,540,333.24/811,224.01 - Step 6: Final answer
x = 619,151.47
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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.