Finding the Fourth Proportional to 779,026.67, 1,168,422.84 and 246,478.40
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Solution
The fourth proportional to 779,026.67, 1,168,422.84 and 246,478.40 is: 369,680.52
Step by Step Solution
- Step 1: Write the proportion equation
779,026.67 : 1,168,422.84 = 246,478.40 : x - Step 2: Convert to fraction form
779,026.67/1,168,422.84 = 246,478.40/x - Step 3: Cross multiply
779,026.67x = 1,168,422.84 × 246,478.40 - Step 4: Simplify right side
779,026.67x = 287,990,986,284.54 - Step 5: Solve for x
x = 287,990,986,284.54/779,026.67 - Step 6: Final answer
x = 369,680.52
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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.