Finding the Fourth Proportional to 825,521.64, 1,238,405.49 and 292,998.09
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Solution
The fourth proportional to 825,521.64, 1,238,405.49 and 292,998.09 is: 439,540.80
Step by Step Solution
- Step 1: Write the proportion equation
825,521.64 : 1,238,405.49 = 292,998.09 : x - Step 2: Convert to fraction form
825,521.64/1,238,405.49 = 292,998.09/x - Step 3: Cross multiply
825,521.64x = 1,238,405.49 × 292,998.09 - Step 4: Simplify right side
825,521.64x = 362,850,443,215.51 - Step 5: Solve for x
x = 362,850,443,215.51/825,521.64 - Step 6: Final answer
x = 439,540.80
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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.