Finding the Fourth Proportional to 479,078.98, 717,123.74 and 352,861.74
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Solution
The fourth proportional to 479,078.98, 717,123.74 and 352,861.74 is: 528,191.68
Step by Step Solution
- Step 1: Write the proportion equation
479,078.98 : 717,123.74 = 352,861.74 : x - Step 2: Convert to fraction form
479,078.98/717,123.74 = 352,861.74/x - Step 3: Cross multiply
479,078.98x = 717,123.74 × 352,861.74 - Step 4: Simplify right side
479,078.98x = 253,045,528,927.40 - Step 5: Solve for x
x = 253,045,528,927.40/479,078.98 - Step 6: Final answer
x = 528,191.68
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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.