Finding the Fourth Proportional to 754,947.63, 1,133,189.64 and 328,673.97
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Solution
The fourth proportional to 754,947.63, 1,133,189.64 and 328,673.97 is: 493,345.40
Step by Step Solution
- Step 1: Write the proportion equation
754,947.63 : 1,133,189.64 = 328,673.97 : x - Step 2: Convert to fraction form
754,947.63/1,133,189.64 = 328,673.97/x - Step 3: Cross multiply
754,947.63x = 1,133,189.64 × 328,673.97 - Step 4: Simplify right side
754,947.63x = 372,449,937,741.67 - Step 5: Solve for x
x = 372,449,937,741.67/754,947.63 - Step 6: Final answer
x = 493,345.40
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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.