Finding the Fourth Proportional to 877,903.53, 1,211,605.19 and 495,954.91
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Solution
The fourth proportional to 877,903.53, 1,211,605.19 and 495,954.91 is: 684,473.32
Step by Step Solution
- Step 1: Write the proportion equation
877,903.53 : 1,211,605.19 = 495,954.91 : x - Step 2: Convert to fraction form
877,903.53/1,211,605.19 = 495,954.91/x - Step 3: Cross multiply
877,903.53x = 1,211,605.19 × 495,954.91 - Step 4: Simplify right side
877,903.53x = 600,901,542,961.98 - Step 5: Solve for x
x = 600,901,542,961.98/877,903.53 - Step 6: Final answer
x = 684,473.32
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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.