Finding the Fourth Proportional to 505,071.08, 753,466.93 and 491,342.12
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Solution
The fourth proportional to 505,071.08, 753,466.93 and 491,342.12 is: 732,986.02
Step by Step Solution
- Step 1: Write the proportion equation
505,071.08 : 753,466.93 = 491,342.12 : x - Step 2: Convert to fraction form
505,071.08/753,466.93 = 491,342.12/x - Step 3: Cross multiply
505,071.08x = 753,466.93 × 491,342.12 - Step 4: Simplify right side
505,071.08x = 370,210,038,736.09 - Step 5: Solve for x
x = 370,210,038,736.09/505,071.08 - Step 6: Final answer
x = 732,986.02
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.