Finding the Fourth Proportional to 877,887.16, 1,211,582.75 and 495,938.55
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Solution
The fourth proportional to 877,887.16, 1,211,582.75 and 495,938.55 is: 684,450.82
Step by Step Solution
- Step 1: Write the proportion equation
877,887.16 : 1,211,582.75 = 495,938.55 : x - Step 2: Convert to fraction form
877,887.16/1,211,582.75 = 495,938.55/x - Step 3: Cross multiply
877,887.16x = 1,211,582.75 × 495,938.55 - Step 4: Simplify right side
877,887.16x = 600,870,583,702.41 - Step 5: Solve for x
x = 600,870,583,702.41/877,887.16 - Step 6: Final answer
x = 684,450.82
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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.