Finding the Fourth Proportional to 451,726.44, 681,689.14 and 436,669.08
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Solution
The fourth proportional to 451,726.44, 681,689.14 and 436,669.08 is: 658,966.45
Step by Step Solution
- Step 1: Write the proportion equation
451,726.44 : 681,689.14 = 436,669.08 : x - Step 2: Convert to fraction form
451,726.44/681,689.14 = 436,669.08/x - Step 3: Cross multiply
451,726.44x = 681,689.14 × 436,669.08 - Step 4: Simplify right side
451,726.44x = 297,672,569,609.79 - Step 5: Solve for x
x = 297,672,569,609.79/451,726.44 - Step 6: Final answer
x = 658,966.45
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.