Finding the Fourth Proportional to 990,949.14, 1,486,415.49 and 588,927.51
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Solution
The fourth proportional to 990,949.14, 1,486,415.49 and 588,927.51 is: 883,386.38
Step by Step Solution
- Step 1: Write the proportion equation
990,949.14 : 1,486,415.49 = 588,927.51 : x - Step 2: Convert to fraction form
990,949.14/1,486,415.49 = 588,927.51/x - Step 3: Cross multiply
990,949.14x = 1,486,415.49 × 588,927.51 - Step 4: Simplify right side
990,949.14x = 875,390,973,351.13 - Step 5: Solve for x
x = 875,390,973,351.13/990,949.14 - Step 6: Final answer
x = 883,386.38
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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.