Finding the Fourth Proportional to 832,347.15, 1,247,771.26 and 299,493.44
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Solution
The fourth proportional to 832,347.15, 1,247,771.26 and 299,493.44 is: 448,970.49
Step by Step Solution
- Step 1: Write the proportion equation
832,347.15 : 1,247,771.26 = 299,493.44 : x - Step 2: Convert to fraction form
832,347.15/1,247,771.26 = 299,493.44/x - Step 3: Cross multiply
832,347.15x = 1,247,771.26 × 299,493.44 - Step 4: Simplify right side
832,347.15x = 373,699,306,990.53 - Step 5: Solve for x
x = 373,699,306,990.53/832,347.15 - Step 6: Final answer
x = 448,970.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.