Finding the Fourth Proportional to 658,736.68, 909,057.26 and 356,930.68
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Solution
The fourth proportional to 658,736.68, 909,057.26 and 356,930.68 is: 492,564.69
Step by Step Solution
- Step 1: Write the proportion equation
658,736.68 : 909,057.26 = 356,930.68 : x - Step 2: Convert to fraction form
658,736.68/909,057.26 = 356,930.68/x - Step 3: Cross multiply
658,736.68x = 909,057.26 × 356,930.68 - Step 4: Simplify right side
658,736.68x = 324,470,425,970.74 - Step 5: Solve for x
x = 324,470,425,970.74/658,736.68 - Step 6: Final answer
x = 492,564.69
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.