Finding the Fourth Proportional to 898,243.96, 1,236,430.36 and 783,319.84
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Solution
The fourth proportional to 898,243.96, 1,236,430.36 and 783,319.84 is: 1,078,237.62
Step by Step Solution
- Step 1: Write the proportion equation
898,243.96 : 1,236,430.36 = 783,319.84 : x - Step 2: Convert to fraction form
898,243.96/1,236,430.36 = 783,319.84/x - Step 3: Cross multiply
898,243.96x = 1,236,430.36 × 783,319.84 - Step 4: Simplify right side
898,243.96x = 968,520,431,766.34 - Step 5: Solve for x
x = 968,520,431,766.34/898,243.96 - Step 6: Final answer
x = 1,078,237.62
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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.