Finding the Fourth Proportional to 841,231.08, 1,160,855.24 and 478,647.54
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Solution
The fourth proportional to 841,231.08, 1,160,855.24 and 478,647.54 is: 660,508.77
Step by Step Solution
- Step 1: Write the proportion equation
841,231.08 : 1,160,855.24 = 478,647.54 : x - Step 2: Convert to fraction form
841,231.08/1,160,855.24 = 478,647.54/x - Step 3: Cross multiply
841,231.08x = 1,160,855.24 × 478,647.54 - Step 4: Simplify right side
841,231.08x = 555,640,502,528.87 - Step 5: Solve for x
x = 555,640,502,528.87/841,231.08 - Step 6: Final answer
x = 660,508.77
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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.