Finding the Fourth Proportional to 506,378.05, 698,887.64 and 291,642.44
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Solution
The fourth proportional to 506,378.05, 698,887.64 and 291,642.44 is: 402,516.05
Step by Step Solution
- Step 1: Write the proportion equation
506,378.05 : 698,887.64 = 291,642.44 : x - Step 2: Convert to fraction form
506,378.05/698,887.64 = 291,642.44/x - Step 3: Cross multiply
506,378.05x = 698,887.64 × 291,642.44 - Step 4: Simplify right side
506,378.05x = 203,825,291,662.79 - Step 5: Solve for x
x = 203,825,291,662.79/506,378.05 - Step 6: Final answer
x = 402,516.05
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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.