Finding the Fourth Proportional to 578,376.40, 798,189.24 and 320,252.08
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Solution
The fourth proportional to 578,376.40, 798,189.24 and 320,252.08 is: 441,964.38
Step by Step Solution
- Step 1: Write the proportion equation
578,376.40 : 798,189.24 = 320,252.08 : x - Step 2: Convert to fraction form
578,376.40/798,189.24 = 320,252.08/x - Step 3: Cross multiply
578,376.40x = 798,189.24 × 320,252.08 - Step 4: Simplify right side
578,376.40x = 255,621,764,343.62 - Step 5: Solve for x
x = 255,621,764,343.62/578,376.40 - Step 6: Final answer
x = 441,964.38
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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.