Finding the Fourth Proportional to 788,569.08, 1,088,588.61 and 461,836.62
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Solution
The fourth proportional to 788,569.08, 1,088,588.61 and 461,836.62 is: 637,547.30
Step by Step Solution
- Step 1: Write the proportion equation
788,569.08 : 1,088,588.61 = 461,836.62 : x - Step 2: Convert to fraction form
788,569.08/1,088,588.61 = 461,836.62/x - Step 3: Cross multiply
788,569.08x = 1,088,588.61 × 461,836.62 - Step 4: Simplify right side
788,569.08x = 502,750,084,212.90 - Step 5: Solve for x
x = 502,750,084,212.90/788,569.08 - Step 6: Final answer
x = 637,547.30
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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.