Finding the Fourth Proportional to 830,301.99, 1,145,828.29 and 462,768.97
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Solution
The fourth proportional to 830,301.99, 1,145,828.29 and 462,768.97 is: 638,627.61
Step by Step Solution
- Step 1: Write the proportion equation
830,301.99 : 1,145,828.29 = 462,768.97 : x - Step 2: Convert to fraction form
830,301.99/1,145,828.29 = 462,768.97/x - Step 3: Cross multiply
830,301.99x = 1,145,828.29 × 462,768.97 - Step 4: Simplify right side
830,301.99x = 530,253,777,560.16 - Step 5: Solve for x
x = 530,253,777,560.16/830,301.99 - Step 6: Final answer
x = 638,627.61
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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.