Finding the Fourth Proportional to 877,899.40, 1,211,599.49 and 495,950.79
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Solution
The fourth proportional to 877,899.40, 1,211,599.49 and 495,950.79 is: 684,467.63
Step by Step Solution
- Step 1: Write the proportion equation
877,899.40 : 1,211,599.49 = 495,950.79 : x - Step 2: Convert to fraction form
877,899.40/1,211,599.49 = 495,950.79/x - Step 3: Cross multiply
877,899.40x = 1,211,599.49 × 495,950.79 - Step 4: Simplify right side
877,899.40x = 600,893,724,229.10 - Step 5: Solve for x
x = 600,893,724,229.10/877,899.40 - Step 6: Final answer
x = 684,467.63
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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.