Finding the Fourth Proportional to 898,630.05, 1,240,269.65 and 531,092.18
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Solution
The fourth proportional to 898,630.05, 1,240,269.65 and 531,092.18 is: 733,001.87
Step by Step Solution
- Step 1: Write the proportion equation
898,630.05 : 1,240,269.65 = 531,092.18 : x - Step 2: Convert to fraction form
898,630.05/1,240,269.65 = 531,092.18/x - Step 3: Cross multiply
898,630.05x = 1,240,269.65 × 531,092.18 - Step 4: Simplify right side
898,630.05x = 658,697,503,349.53 - Step 5: Solve for x
x = 658,697,503,349.53/898,630.05 - Step 6: Final answer
x = 733,001.87
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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.