Finding the Fourth Proportional to 821,167.91, 1,133,130.75 and 458,584.00
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Solution
The fourth proportional to 821,167.91, 1,133,130.75 and 458,584.00 is: 632,800.70
Step by Step Solution
- Step 1: Write the proportion equation
821,167.91 : 1,133,130.75 = 458,584.00 : x - Step 2: Convert to fraction form
821,167.91/1,133,130.75 = 458,584.00/x - Step 3: Cross multiply
821,167.91x = 1,133,130.75 × 458,584.00 - Step 4: Simplify right side
821,167.91x = 519,635,627,305.48 - Step 5: Solve for x
x = 519,635,627,305.48/821,167.91 - Step 6: Final answer
x = 632,800.70
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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.