Finding the Fourth Proportional to 866,149.71, 1,299,604.37 and 411,069.63
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Solution
The fourth proportional to 866,149.71, 1,299,604.37 and 411,069.63 is: 616,784.70
Step by Step Solution
- Step 1: Write the proportion equation
866,149.71 : 1,299,604.37 = 411,069.63 : x - Step 2: Convert to fraction form
866,149.71/1,299,604.37 = 411,069.63/x - Step 3: Cross multiply
866,149.71x = 1,299,604.37 × 411,069.63 - Step 4: Simplify right side
866,149.71x = 534,227,885,466.94 - Step 5: Solve for x
x = 534,227,885,466.94/866,149.71 - Step 6: Final answer
x = 616,784.70
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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.