Finding the Fourth Proportional to 529,560.86, 730,798.83 and 287,843.99
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Solution
The fourth proportional to 529,560.86, 730,798.83 and 287,843.99 is: 397,227.34
Step by Step Solution
- Step 1: Write the proportion equation
529,560.86 : 730,798.83 = 287,843.99 : x - Step 2: Convert to fraction form
529,560.86/730,798.83 = 287,843.99/x - Step 3: Cross multiply
529,560.86x = 730,798.83 × 287,843.99 - Step 4: Simplify right side
529,560.86x = 210,356,047,460.54 - Step 5: Solve for x
x = 210,356,047,460.54/529,560.86 - Step 6: Final answer
x = 397,227.34
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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.