Finding the Fourth Proportional to 865,107.83, 1,193,666.31 and 502,343.99
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Solution
The fourth proportional to 865,107.83, 1,193,666.31 and 502,343.99 is: 693,128.73
Step by Step Solution
- Step 1: Write the proportion equation
865,107.83 : 1,193,666.31 = 502,343.99 : x - Step 2: Convert to fraction form
865,107.83/1,193,666.31 = 502,343.99/x - Step 3: Cross multiply
865,107.83x = 1,193,666.31 × 502,343.99 - Step 4: Simplify right side
865,107.83x = 599,631,096,374.03 - Step 5: Solve for x
x = 599,631,096,374.03/865,107.83 - Step 6: Final answer
x = 693,128.73
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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.