Finding the Fourth Proportional to 1,116,427.68, 1,674,641.34 and 328,459.68
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Solution
The fourth proportional to 1,116,427.68, 1,674,641.34 and 328,459.68 is: 492,689.47
Step by Step Solution
- Step 1: Write the proportion equation
1,116,427.68 : 1,674,641.34 = 328,459.68 : x - Step 2: Convert to fraction form
1,116,427.68/1,674,641.34 = 328,459.68/x - Step 3: Cross multiply
1,116,427.68x = 1,674,641.34 × 328,459.68 - Step 4: Simplify right side
1,116,427.68x = 550,052,158,651.17 - Step 5: Solve for x
x = 550,052,158,651.17/1,116,427.68 - Step 6: Final answer
x = 492,689.47
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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.