Finding the Fourth Proportional to 896,589.96, 1,237,237.95 and 494,181.96
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Solution
The fourth proportional to 896,589.96, 1,237,237.95 and 494,181.96 is: 681,940.13
Step by Step Solution
- Step 1: Write the proportion equation
896,589.96 : 1,237,237.95 = 494,181.96 : x - Step 2: Convert to fraction form
896,589.96/1,237,237.95 = 494,181.96/x - Step 3: Cross multiply
896,589.96x = 1,237,237.95 × 494,181.96 - Step 4: Simplify right side
896,589.96x = 611,420,668,931.19 - Step 5: Solve for x
x = 611,420,668,931.19/896,589.96 - Step 6: Final answer
x = 681,940.13
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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.