Finding the Fourth Proportional to 618,800.49, 853,996.91 and 346,864.05
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Solution
The fourth proportional to 618,800.49, 853,996.91 and 346,864.05 is: 478,701.67
Step by Step Solution
- Step 1: Write the proportion equation
618,800.49 : 853,996.91 = 346,864.05 : x - Step 2: Convert to fraction form
618,800.49/853,996.91 = 346,864.05/x - Step 3: Cross multiply
618,800.49x = 853,996.91 × 346,864.05 - Step 4: Simplify right side
618,800.49x = 296,220,826,890.09 - Step 5: Solve for x
x = 296,220,826,890.09/618,800.49 - Step 6: Final answer
x = 478,701.67
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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.