Finding the Fourth Proportional to 558,407.88, 770,481.18 and 316,635.96
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Solution
The fourth proportional to 558,407.88, 770,481.18 and 316,635.96 is: 436,888.62
Step by Step Solution
- Step 1: Write the proportion equation
558,407.88 : 770,481.18 = 316,635.96 : x - Step 2: Convert to fraction form
558,407.88/770,481.18 = 316,635.96/x - Step 3: Cross multiply
558,407.88x = 770,481.18 × 316,635.96 - Step 4: Simplify right side
558,407.88x = 243,962,048,091.23 - Step 5: Solve for x
x = 243,962,048,091.23/558,407.88 - Step 6: Final answer
x = 436,888.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.