Finding the Fourth Proportional to 504,432.57, 696,124.67 and 274,989.99
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Solution
The fourth proportional to 504,432.57, 696,124.67 and 274,989.99 is: 379,490.40
Step by Step Solution
- Step 1: Write the proportion equation
504,432.57 : 696,124.67 = 274,989.99 : x - Step 2: Convert to fraction form
504,432.57/696,124.67 = 274,989.99/x - Step 3: Cross multiply
504,432.57x = 696,124.67 × 274,989.99 - Step 4: Simplify right side
504,432.57x = 191,427,316,042.05 - Step 5: Solve for x
x = 191,427,316,042.05/504,432.57 - Step 6: Final answer
x = 379,490.40
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1.5x scale
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.