Finding the Fourth Proportional to 939,555.52, 1,409,382.44 and 265,686.12
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Solution
The fourth proportional to 939,555.52, 1,409,382.44 and 265,686.12 is: 398,543.08
Step by Step Solution
- Step 1: Write the proportion equation
939,555.52 : 1,409,382.44 = 265,686.12 : x - Step 2: Convert to fraction form
939,555.52/1,409,382.44 = 265,686.12/x - Step 3: Cross multiply
939,555.52x = 1,409,382.44 × 265,686.12 - Step 4: Simplify right side
939,555.52x = 374,453,352,079.73 - Step 5: Solve for x
x = 374,453,352,079.73/939,555.52 - Step 6: Final answer
x = 398,543.08
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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.