Finding the Fourth Proportional to 738,574.77, 1,019,064.12 and 466,315.14
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Solution
The fourth proportional to 738,574.77, 1,019,064.12 and 466,315.14 is: 643,408.15
Step by Step Solution
- Step 1: Write the proportion equation
738,574.77 : 1,019,064.12 = 466,315.14 : x - Step 2: Convert to fraction form
738,574.77/1,019,064.12 = 466,315.14/x - Step 3: Cross multiply
738,574.77x = 1,019,064.12 × 466,315.14 - Step 4: Simplify right side
738,574.77x = 475,205,027,786.78 - Step 5: Solve for x
x = 475,205,027,786.78/738,574.77 - Step 6: Final answer
x = 643,408.15
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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.