Finding the Fourth Proportional to 763,208.56, 1,143,465.62 and 463,079.68
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Solution
The fourth proportional to 763,208.56, 1,143,465.62 and 463,079.68 is: 693,802.09
Step by Step Solution
- Step 1: Write the proportion equation
763,208.56 : 1,143,465.62 = 463,079.68 : x - Step 2: Convert to fraction form
763,208.56/1,143,465.62 = 463,079.68/x - Step 3: Cross multiply
763,208.56x = 1,143,465.62 × 463,079.68 - Step 4: Simplify right side
763,208.56x = 529,515,693,400.60 - Step 5: Solve for x
x = 529,515,693,400.60/763,208.56 - Step 6: Final answer
x = 693,802.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.