Finding the Fourth Proportional to 506,251.53, 698,626.89 and 276,809.99
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Solution
The fourth proportional to 506,251.53, 698,626.89 and 276,809.99 is: 381,997.66
Step by Step Solution
- Step 1: Write the proportion equation
506,251.53 : 698,626.89 = 276,809.99 : x - Step 2: Convert to fraction form
506,251.53/698,626.89 = 276,809.99/x - Step 3: Cross multiply
506,251.53x = 698,626.89 × 276,809.99 - Step 4: Simplify right side
506,251.53x = 193,386,898,941.50 - Step 5: Solve for x
x = 193,386,898,941.50/506,251.53 - Step 6: Final answer
x = 381,997.66
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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.