Finding the Fourth Proportional to 586,728.02, 809,617.65 and 328,569.07
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Solution
The fourth proportional to 586,728.02, 809,617.65 and 328,569.07 is: 453,387.79
Step by Step Solution
- Step 1: Write the proportion equation
586,728.02 : 809,617.65 = 328,569.07 : x - Step 2: Convert to fraction form
586,728.02/809,617.65 = 328,569.07/x - Step 3: Cross multiply
586,728.02x = 809,617.65 × 328,569.07 - Step 4: Simplify right side
586,728.02x = 266,015,318,316.09 - Step 5: Solve for x
x = 266,015,318,316.09/586,728.02 - Step 6: Final answer
x = 453,387.79
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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.