Finding the Fourth Proportional to 653,367.12, 901,657.47 and 362,997.63
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Solution
The fourth proportional to 653,367.12, 901,657.47 and 362,997.63 is: 500,942.75
Step by Step Solution
- Step 1: Write the proportion equation
653,367.12 : 901,657.47 = 362,997.63 : x - Step 2: Convert to fraction form
653,367.12/901,657.47 = 362,997.63/x - Step 3: Cross multiply
653,367.12x = 901,657.47 × 362,997.63 - Step 4: Simplify right side
653,367.12x = 327,299,524,681.80 - Step 5: Solve for x
x = 327,299,524,681.80/653,367.12 - Step 6: Final answer
x = 500,942.75
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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.