Finding the Fourth Proportional to 506,865.33, 699,398.90 and 307,850.99
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Solution
The fourth proportional to 506,865.33, 699,398.90 and 307,850.99 is: 424,788.65
Step by Step Solution
- Step 1: Write the proportion equation
506,865.33 : 699,398.90 = 307,850.99 : x - Step 2: Convert to fraction form
506,865.33/699,398.90 = 307,850.99/x - Step 3: Cross multiply
506,865.33x = 699,398.90 × 307,850.99 - Step 4: Simplify right side
506,865.33x = 215,310,638,733.66 - Step 5: Solve for x
x = 215,310,638,733.66/506,865.33 - Step 6: Final answer
x = 424,788.65
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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.