Finding the Fourth Proportional to 559,388.08, 771,963.96 and 304,739.20
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Solution
The fourth proportional to 559,388.08, 771,963.96 and 304,739.20 is: 420,544.68
Step by Step Solution
- Step 1: Write the proportion equation
559,388.08 : 771,963.96 = 304,739.20 : x - Step 2: Convert to fraction form
559,388.08/771,963.96 = 304,739.20/x - Step 3: Cross multiply
559,388.08x = 771,963.96 × 304,739.20 - Step 4: Simplify right side
559,388.08x = 235,247,679,599.23 - Step 5: Solve for x
x = 235,247,679,599.23/559,388.08 - Step 6: Final answer
x = 420,544.68
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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.