Finding the Fourth Proportional to 578,349.24, 798,113.68 and 320,201.44
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Solution
The fourth proportional to 578,349.24, 798,113.68 and 320,201.44 is: 441,873.41
Step by Step Solution
- Step 1: Write the proportion equation
578,349.24 : 798,113.68 = 320,201.44 : x - Step 2: Convert to fraction form
578,349.24/798,113.68 = 320,201.44/x - Step 3: Cross multiply
578,349.24x = 798,113.68 × 320,201.44 - Step 4: Simplify right side
578,349.24x = 255,557,149,619.70 - Step 5: Solve for x
x = 255,557,149,619.70/578,349.24 - Step 6: Final answer
x = 441,873.41
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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.