Finding the Fourth Proportional to 811,108.68, 1,217,018.64 and 384,952.26
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Solution
The fourth proportional to 811,108.68, 1,217,018.64 and 384,952.26 is: 577,597.17
Step by Step Solution
- Step 1: Write the proportion equation
811,108.68 : 1,217,018.64 = 384,952.26 : x - Step 2: Convert to fraction form
811,108.68/1,217,018.64 = 384,952.26/x - Step 3: Cross multiply
811,108.68x = 1,217,018.64 × 384,952.26 - Step 4: Simplify right side
811,108.68x = 468,494,075,930.13 - Step 5: Solve for x
x = 468,494,075,930.13/811,108.68 - Step 6: Final answer
x = 577,597.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.