Finding the Fourth Proportional to 868,891.08, 1,303,512.16 and 300,292.94
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Solution
The fourth proportional to 868,891.08, 1,303,512.16 and 300,292.94 is: 450,500.08
Step by Step Solution
- Step 1: Write the proportion equation
868,891.08 : 1,303,512.16 = 300,292.94 : x - Step 2: Convert to fraction form
868,891.08/1,303,512.16 = 300,292.94/x - Step 3: Cross multiply
868,891.08x = 1,303,512.16 × 300,292.94 - Step 4: Simplify right side
868,891.08x = 391,435,498,852.15 - Step 5: Solve for x
x = 391,435,498,852.15/868,891.08 - Step 6: Final answer
x = 450,500.08
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1.5x scale
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.