Finding the Fourth Proportional to 527,885.53, 728,310.76 and 298,420.63
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Solution
The fourth proportional to 527,885.53, 728,310.76 and 298,420.63 is: 411,723.65
Step by Step Solution
- Step 1: Write the proportion equation
527,885.53 : 728,310.76 = 298,420.63 : x - Step 2: Convert to fraction form
527,885.53/728,310.76 = 298,420.63/x - Step 3: Cross multiply
527,885.53x = 728,310.76 × 298,420.63 - Step 4: Simplify right side
527,885.53x = 217,342,955,834.98 - Step 5: Solve for x
x = 217,342,955,834.98/527,885.53 - Step 6: Final answer
x = 411,723.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.