Finding the Fourth Proportional to 665,833.26, 918,853.12 and 364,027.26
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Solution
The fourth proportional to 665,833.26, 918,853.12 and 364,027.26 is: 502,359.38
Step by Step Solution
- Step 1: Write the proportion equation
665,833.26 : 918,853.12 = 364,027.26 : x - Step 2: Convert to fraction form
665,833.26/918,853.12 = 364,027.26/x - Step 3: Cross multiply
665,833.26x = 918,853.12 × 364,027.26 - Step 4: Simplify right side
665,833.26x = 334,487,583,616.05 - Step 5: Solve for x
x = 334,487,583,616.05/665,833.26 - Step 6: Final answer
x = 502,359.38
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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.