Finding the Fourth Proportional to 898,649.35, 1,347,985.94 and 299,610.70
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Solution
The fourth proportional to 898,649.35, 1,347,985.94 and 299,610.70 is: 449,420.02
Step by Step Solution
- Step 1: Write the proportion equation
898,649.35 : 1,347,985.94 = 299,610.70 : x - Step 2: Convert to fraction form
898,649.35/1,347,985.94 = 299,610.70/x - Step 3: Cross multiply
898,649.35x = 1,347,985.94 × 299,610.70 - Step 4: Simplify right side
898,649.35x = 403,871,008,733.51 - Step 5: Solve for x
x = 403,871,008,733.51/898,649.35 - Step 6: Final answer
x = 449,420.02
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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.