Finding the Fourth Proportional to 859,622.36, 1,186,226.72 and 477,636.08
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Solution
The fourth proportional to 859,622.36, 1,186,226.72 and 477,636.08 is: 659,108.82
Step by Step Solution
- Step 1: Write the proportion equation
859,622.36 : 1,186,226.72 = 477,636.08 : x - Step 2: Convert to fraction form
859,622.36/1,186,226.72 = 477,636.08/x - Step 3: Cross multiply
859,622.36x = 1,186,226.72 × 477,636.08 - Step 4: Simplify right side
859,622.36x = 566,584,680,532.06 - Step 5: Solve for x
x = 566,584,680,532.06/859,622.36 - Step 6: Final answer
x = 659,108.82
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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.