Finding the Fourth Proportional to 618,677.92, 853,746.96 and 350,407.84
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Solution
The fourth proportional to 618,677.92, 853,746.96 and 350,407.84 is: 483,546.64
Step by Step Solution
- Step 1: Write the proportion equation
618,677.92 : 853,746.96 = 350,407.84 : x - Step 2: Convert to fraction form
618,677.92/853,746.96 = 350,407.84/x - Step 3: Cross multiply
618,677.92x = 853,746.96 × 350,407.84 - Step 4: Simplify right side
618,677.92x = 299,159,628,160.17 - Step 5: Solve for x
x = 299,159,628,160.17/618,677.92 - Step 6: Final answer
x = 483,546.64
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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.