Finding the Fourth Proportional to 926,633.68, 1,278,646.60 and 518,757.84
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Solution
The fourth proportional to 926,633.68, 1,278,646.60 and 518,757.84 is: 715,825.43
Step by Step Solution
- Step 1: Write the proportion equation
926,633.68 : 1,278,646.60 = 518,757.84 : x - Step 2: Convert to fraction form
926,633.68/1,278,646.60 = 518,757.84/x - Step 3: Cross multiply
926,633.68x = 1,278,646.60 × 518,757.84 - Step 4: Simplify right side
926,633.68x = 663,307,948,339.34 - Step 5: Solve for x
x = 663,307,948,339.34/926,633.68 - Step 6: Final answer
x = 715,825.43
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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.