Finding the Fourth Proportional to 988,708.09, 1,364,427.90 and 580,827.13
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Solution
The fourth proportional to 988,708.09, 1,364,427.90 and 580,827.13 is: 801,547.75
Step by Step Solution
- Step 1: Write the proportion equation
988,708.09 : 1,364,427.90 = 580,827.13 : x - Step 2: Convert to fraction form
988,708.09/1,364,427.90 = 580,827.13/x - Step 3: Cross multiply
988,708.09x = 1,364,427.90 × 580,827.13 - Step 4: Simplify right side
988,708.09x = 792,496,741,248.93 - Step 5: Solve for x
x = 792,496,741,248.93/988,708.09 - Step 6: Final answer
x = 801,547.75
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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.