Finding the Fourth Proportional to 645,701.80, 968,207.10 and 271,301.80
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Solution
The fourth proportional to 645,701.80, 968,207.10 and 271,301.80 is: 406,807.49
Step by Step Solution
- Step 1: Write the proportion equation
645,701.80 : 968,207.10 = 271,301.80 : x - Step 2: Convert to fraction form
645,701.80/968,207.10 = 271,301.80/x - Step 3: Cross multiply
645,701.80x = 968,207.10 × 271,301.80 - Step 4: Simplify right side
645,701.80x = 262,676,329,002.78 - Step 5: Solve for x
x = 262,676,329,002.78/645,701.80 - Step 6: Final answer
x = 406,807.49
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1.5x scale
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.