Finding the Fourth Proportional to 576,329.12, 795,365.28 and 321,678.08
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Solution
The fourth proportional to 576,329.12, 795,365.28 and 321,678.08 is: 443,933.11
Step by Step Solution
- Step 1: Write the proportion equation
576,329.12 : 795,365.28 = 321,678.08 : x - Step 2: Convert to fraction form
576,329.12/795,365.28 = 321,678.08/x - Step 3: Cross multiply
576,329.12x = 795,365.28 × 321,678.08 - Step 4: Simplify right side
576,329.12x = 255,851,576,169.06 - Step 5: Solve for x
x = 255,851,576,169.06/576,329.12 - Step 6: Final answer
x = 443,933.11
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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.