Finding the Fourth Proportional to 898,649.77, 1,347,986.58 and 299,611.12
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Solution
The fourth proportional to 898,649.77, 1,347,986.58 and 299,611.12 is: 449,420.65
Step by Step Solution
- Step 1: Write the proportion equation
898,649.77 : 1,347,986.58 = 299,611.12 : x - Step 2: Convert to fraction form
898,649.77/1,347,986.58 = 299,611.12/x - Step 3: Cross multiply
898,649.77x = 1,347,986.58 × 299,611.12 - Step 4: Simplify right side
898,649.77x = 403,871,767,012.74 - Step 5: Solve for x
x = 403,871,767,012.74/898,649.77 - Step 6: Final answer
x = 449,420.65
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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.