Finding the Fourth Proportional to 572,447.18, 862,785.44 and 493,438.74
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Solution
The fourth proportional to 572,447.18, 862,785.44 and 493,438.74 is: 743,704.88
Step by Step Solution
- Step 1: Write the proportion equation
572,447.18 : 862,785.44 = 493,438.74 : x - Step 2: Convert to fraction form
572,447.18/862,785.44 = 493,438.74/x - Step 3: Cross multiply
572,447.18x = 862,785.44 × 493,438.74 - Step 4: Simplify right side
572,447.18x = 425,731,760,403.95 - Step 5: Solve for x
x = 425,731,760,403.95/572,447.18 - Step 6: Final answer
x = 743,704.88
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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.