Finding the Fourth Proportional to 753,134.26, 1,039,321.52 and 408,967.12
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Solution
The fourth proportional to 753,134.26, 1,039,321.52 and 408,967.12 is: 564,372.58
Step by Step Solution
- Step 1: Write the proportion equation
753,134.26 : 1,039,321.52 = 408,967.12 : x - Step 2: Convert to fraction form
753,134.26/1,039,321.52 = 408,967.12/x - Step 3: Cross multiply
753,134.26x = 1,039,321.52 × 408,967.12 - Step 4: Simplify right side
753,134.26x = 425,048,328,788.42 - Step 5: Solve for x
x = 425,048,328,788.42/753,134.26 - Step 6: Final answer
x = 564,372.58
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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.