Finding the Fourth Proportional to 729,104.74, 1,006,173.40 and 423,251.98
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Solution
The fourth proportional to 729,104.74, 1,006,173.40 and 423,251.98 is: 584,092.88
Step by Step Solution
- Step 1: Write the proportion equation
729,104.74 : 1,006,173.40 = 423,251.98 : x - Step 2: Convert to fraction form
729,104.74/1,006,173.40 = 423,251.98/x - Step 3: Cross multiply
729,104.74x = 1,006,173.40 × 423,251.98 - Step 4: Simplify right side
729,104.74x = 425,864,883,773.33 - Step 5: Solve for x
x = 425,864,883,773.33/729,104.74 - Step 6: Final answer
x = 584,092.88
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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.