Finding the Fourth Proportional to 901,231.18, 1,243,697.20 and 493,333.12
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Solution
The fourth proportional to 901,231.18, 1,243,697.20 and 493,333.12 is: 680,798.70
Step by Step Solution
- Step 1: Write the proportion equation
901,231.18 : 1,243,697.20 = 493,333.12 : x - Step 2: Convert to fraction form
901,231.18/1,243,697.20 = 493,333.12/x - Step 3: Cross multiply
901,231.18x = 1,243,697.20 × 493,333.12 - Step 4: Simplify right side
901,231.18x = 613,557,020,011.26 - Step 5: Solve for x
x = 613,557,020,011.26/901,231.18 - Step 6: Final answer
x = 680,798.70
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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.