Finding the Fourth Proportional to 811,022.04, 1,119,165.24 and 448,424.13
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Solution
The fourth proportional to 811,022.04, 1,119,165.24 and 448,424.13 is: 618,800.32
Step by Step Solution
- Step 1: Write the proportion equation
811,022.04 : 1,119,165.24 = 448,424.13 : x - Step 2: Convert to fraction form
811,022.04/1,119,165.24 = 448,424.13/x - Step 3: Cross multiply
811,022.04x = 1,119,165.24 × 448,424.13 - Step 4: Simplify right side
811,022.04x = 501,860,699,073.24 - Step 5: Solve for x
x = 501,860,699,073.24/811,022.04 - Step 6: Final answer
x = 618,800.32
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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.