Finding the Fourth Proportional to 989,341.94, 1,484,268.77 and 579,357.49
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Solution
The fourth proportional to 989,341.94, 1,484,268.77 and 579,357.49 is: 869,186.06
Step by Step Solution
- Step 1: Write the proportion equation
989,341.94 : 1,484,268.77 = 579,357.49 : x - Step 2: Convert to fraction form
989,341.94/1,484,268.77 = 579,357.49/x - Step 3: Cross multiply
989,341.94x = 1,484,268.77 × 579,357.49 - Step 4: Simplify right side
989,341.94x = 859,922,222,465.13 - Step 5: Solve for x
x = 859,922,222,465.13/989,341.94 - Step 6: Final answer
x = 869,186.06
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.