Finding the Fourth Proportional to 506,378.24, 698,887.89 and 291,642.62
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Solution
The fourth proportional to 506,378.24, 698,887.89 and 291,642.62 is: 402,516.31
Step by Step Solution
- Step 1: Write the proportion equation
506,378.24 : 698,887.89 = 291,642.62 : x - Step 2: Convert to fraction form
506,378.24/698,887.89 = 291,642.62/x - Step 3: Cross multiply
506,378.24x = 698,887.89 × 291,642.62 - Step 4: Simplify right side
506,378.24x = 203,825,497,073.09 - Step 5: Solve for x
x = 203,825,497,073.09/506,378.24 - Step 6: Final answer
x = 402,516.31
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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.