Finding the Fourth Proportional to 750,916.23, 1,036,258.20 and 406,744.17
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Solution
The fourth proportional to 750,916.23, 1,036,258.20 and 406,744.17 is: 561,303.60
Step by Step Solution
- Step 1: Write the proportion equation
750,916.23 : 1,036,258.20 = 406,744.17 : x - Step 2: Convert to fraction form
750,916.23/1,036,258.20 = 406,744.17/x - Step 3: Cross multiply
750,916.23x = 1,036,258.20 × 406,744.17 - Step 4: Simplify right side
750,916.23x = 421,491,981,464.69 - Step 5: Solve for x
x = 421,491,981,464.69/750,916.23 - Step 6: Final answer
x = 561,303.60
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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.