Finding the Fourth Proportional to 763,503.24, 1,053,636.36 and 423,971.46
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Solution
The fourth proportional to 763,503.24, 1,053,636.36 and 423,971.46 is: 585,081.66
Step by Step Solution
- Step 1: Write the proportion equation
763,503.24 : 1,053,636.36 = 423,971.46 : x - Step 2: Convert to fraction form
763,503.24/1,053,636.36 = 423,971.46/x - Step 3: Cross multiply
763,503.24x = 1,053,636.36 × 423,971.46 - Step 4: Simplify right side
763,503.24x = 446,711,745,858.29 - Step 5: Solve for x
x = 446,711,745,858.29/763,503.24 - Step 6: Final answer
x = 585,081.66
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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.