Finding the Fourth Proportional to 578,396.52, 798,217.74 and 363,457.08
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Solution
The fourth proportional to 578,396.52, 798,217.74 and 363,457.08 is: 501,589.96
Step by Step Solution
- Step 1: Write the proportion equation
578,396.52 : 798,217.74 = 363,457.08 : x - Step 2: Convert to fraction form
578,396.52/798,217.74 = 363,457.08/x - Step 3: Cross multiply
578,396.52x = 798,217.74 × 363,457.08 - Step 4: Simplify right side
578,396.52x = 290,117,888,984.60 - Step 5: Solve for x
x = 290,117,888,984.60/578,396.52 - Step 6: Final answer
x = 501,589.96
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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.