Finding the Fourth Proportional to 720,852.08, 1,081,722.80 and 366,120.68
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Solution
The fourth proportional to 720,852.08, 1,081,722.80 and 366,120.68 is: 549,406.87
Step by Step Solution
- Step 1: Write the proportion equation
720,852.08 : 1,081,722.80 = 366,120.68 : x - Step 2: Convert to fraction form
720,852.08/1,081,722.80 = 366,120.68/x - Step 3: Cross multiply
720,852.08x = 1,081,722.80 × 366,120.68 - Step 4: Simplify right side
720,852.08x = 396,041,087,107.50 - Step 5: Solve for x
x = 396,041,087,107.50/720,852.08 - Step 6: Final answer
x = 549,406.87
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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.