Finding the Fourth Proportional to 811,560.96, 1,119,953.28 and 453,864.96
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Solution
The fourth proportional to 811,560.96, 1,119,953.28 and 453,864.96 is: 626,333.17
Step by Step Solution
- Step 1: Write the proportion equation
811,560.96 : 1,119,953.28 = 453,864.96 : x - Step 2: Convert to fraction form
811,560.96/1,119,953.28 = 453,864.96/x - Step 3: Cross multiply
811,560.96x = 1,119,953.28 × 453,864.96 - Step 4: Simplify right side
811,560.96x = 508,307,550,629.07 - Step 5: Solve for x
x = 508,307,550,629.07/811,560.96 - Step 6: Final answer
x = 626,333.17
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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.