Finding the Fourth Proportional to 859,497.16, 1,186,142.99 and 477,523.95
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Solution
The fourth proportional to 859,497.16, 1,186,142.99 and 477,523.95 is: 659,003.56
Step by Step Solution
- Step 1: Write the proportion equation
859,497.16 : 1,186,142.99 = 477,523.95 : x - Step 2: Convert to fraction form
859,497.16/1,186,142.99 = 477,523.95/x - Step 3: Cross multiply
859,497.16x = 1,186,142.99 × 477,523.95 - Step 4: Simplify right side
859,497.16x = 566,411,685,849.61 - Step 5: Solve for x
x = 566,411,685,849.61/859,497.16 - Step 6: Final answer
x = 659,003.56
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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.