Finding the Fourth Proportional to 832,456.07, 1,148,665.80 and 505,598.99
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Solution
The fourth proportional to 832,456.07, 1,148,665.80 and 505,598.99 is: 697,651.55
Step by Step Solution
- Step 1: Write the proportion equation
832,456.07 : 1,148,665.80 = 505,598.99 : x - Step 2: Convert to fraction form
832,456.07/1,148,665.80 = 505,598.99/x - Step 3: Cross multiply
832,456.07x = 1,148,665.80 × 505,598.99 - Step 4: Simplify right side
832,456.07x = 580,764,268,327.54 - Step 5: Solve for x
x = 580,764,268,327.54/832,456.07 - Step 6: Final answer
x = 697,651.55
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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.