Finding the Fourth Proportional to 982,283.28, 1,355,536.80 and 546,697.68
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Solution
The fourth proportional to 982,283.28, 1,355,536.80 and 546,697.68 is: 754,434.94
Step by Step Solution
- Step 1: Write the proportion equation
982,283.28 : 1,355,536.80 = 546,697.68 : x - Step 2: Convert to fraction form
982,283.28/1,355,536.80 = 546,697.68/x - Step 3: Cross multiply
982,283.28x = 1,355,536.80 × 546,697.68 - Step 4: Simplify right side
982,283.28x = 741,068,823,714.62 - Step 5: Solve for x
x = 741,068,823,714.62/982,283.28 - Step 6: Final answer
x = 754,434.94
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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.