Finding the Fourth Proportional to 855,932.58, 1,181,185.15 and 493,353.99
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Solution
The fourth proportional to 855,932.58, 1,181,185.15 and 493,353.99 is: 680,827.46
Step by Step Solution
- Step 1: Write the proportion equation
855,932.58 : 1,181,185.15 = 493,353.99 : x - Step 2: Convert to fraction form
855,932.58/1,181,185.15 = 493,353.99/x - Step 3: Cross multiply
855,932.58x = 1,181,185.15 × 493,353.99 - Step 4: Simplify right side
855,932.58x = 582,742,406,681.25 - Step 5: Solve for x
x = 582,742,406,681.25/855,932.58 - Step 6: Final answer
x = 680,827.46
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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.