Finding the Fourth Proportional to 816,840.61, 1,225,319.44 and 217,798.63
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Solution
The fourth proportional to 816,840.61, 1,225,319.44 and 217,798.63 is: 326,713.55
Step by Step Solution
- Step 1: Write the proportion equation
816,840.61 : 1,225,319.44 = 217,798.63 : x - Step 2: Convert to fraction form
816,840.61/1,225,319.44 = 217,798.63/x - Step 3: Cross multiply
816,840.61x = 1,225,319.44 × 217,798.63 - Step 4: Simplify right side
816,840.61x = 266,872,899,445.74 - Step 5: Solve for x
x = 266,872,899,445.74/816,840.61 - Step 6: Final answer
x = 326,713.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.