Finding the Fourth Proportional to 907,633.58, 1,252,524.24 and 499,726.99
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Solution
The fourth proportional to 907,633.58, 1,252,524.24 and 499,726.99 is: 689,617.69
Step by Step Solution
- Step 1: Write the proportion equation
907,633.58 : 1,252,524.24 = 499,726.99 : x - Step 2: Convert to fraction form
907,633.58/1,252,524.24 = 499,726.99/x - Step 3: Cross multiply
907,633.58x = 1,252,524.24 × 499,726.99 - Step 4: Simplify right side
907,633.58x = 625,920,172,040.14 - Step 5: Solve for x
x = 625,920,172,040.14/907,633.58 - Step 6: Final answer
x = 689,617.69
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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.