Finding the Fourth Proportional to 875,717.48, 1,208,489.58 and 473,309.48
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Solution
The fourth proportional to 875,717.48, 1,208,489.58 and 473,309.48 is: 653,166.79
Step by Step Solution
- Step 1: Write the proportion equation
875,717.48 : 1,208,489.58 = 473,309.48 : x - Step 2: Convert to fraction form
875,717.48/1,208,489.58 = 473,309.48/x - Step 3: Cross multiply
875,717.48x = 1,208,489.58 × 473,309.48 - Step 4: Simplify right side
875,717.48x = 571,989,577,716.44 - Step 5: Solve for x
x = 571,989,577,716.44/875,717.48 - Step 6: Final answer
x = 653,166.79
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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.