Finding the Fourth Proportional to 860,165.70, 1,187,059.12 and 473,010.68
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Solution
The fourth proportional to 860,165.70, 1,187,059.12 and 473,010.68 is: 652,771.49
Step by Step Solution
- Step 1: Write the proportion equation
860,165.70 : 1,187,059.12 = 473,010.68 : x - Step 2: Convert to fraction form
860,165.70/1,187,059.12 = 473,010.68/x - Step 3: Cross multiply
860,165.70x = 1,187,059.12 × 473,010.68 - Step 4: Simplify right side
860,165.70x = 561,491,641,551.40 - Step 5: Solve for x
x = 561,491,641,551.40/860,165.70 - Step 6: Final answer
x = 652,771.49
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1.5x scale
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.