Finding the Fourth Proportional to 873,305.82, 1,205,064.50 and 491,324.40
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Solution
The fourth proportional to 873,305.82, 1,205,064.50 and 491,324.40 is: 677,972.80
Step by Step Solution
- Step 1: Write the proportion equation
873,305.82 : 1,205,064.50 = 491,324.40 : x - Step 2: Convert to fraction form
873,305.82/1,205,064.50 = 491,324.40/x - Step 3: Cross multiply
873,305.82x = 1,205,064.50 × 491,324.40 - Step 4: Simplify right side
873,305.82x = 592,077,592,423.80 - Step 5: Solve for x
x = 592,077,592,423.80/873,305.82 - Step 6: Final answer
x = 677,972.80
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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.