Finding the Fourth Proportional to 862,102.28, 1,293,073.61 and 406,589.06
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Solution
The fourth proportional to 862,102.28, 1,293,073.61 and 406,589.06 is: 609,845.95
Step by Step Solution
- Step 1: Write the proportion equation
862,102.28 : 1,293,073.61 = 406,589.06 : x - Step 2: Convert to fraction form
862,102.28/1,293,073.61 = 406,589.06/x - Step 3: Cross multiply
862,102.28x = 1,293,073.61 × 406,589.06 - Step 4: Simplify right side
862,102.28x = 525,749,583,600.71 - Step 5: Solve for x
x = 525,749,583,600.71/862,102.28 - Step 6: Final answer
x = 609,845.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.