Finding the Fourth Proportional to 689,838.15, 1,034,801.00 and 216,542.19
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Solution
The fourth proportional to 689,838.15, 1,034,801.00 and 216,542.19 is: 324,827.02
Step by Step Solution
- Step 1: Write the proportion equation
689,838.15 : 1,034,801.00 = 216,542.19 : x - Step 2: Convert to fraction form
689,838.15/1,034,801.00 = 216,542.19/x - Step 3: Cross multiply
689,838.15x = 1,034,801.00 × 216,542.19 - Step 4: Simplify right side
689,838.15x = 224,078,073,671.48 - Step 5: Solve for x
x = 224,078,073,671.48/689,838.15 - Step 6: Final answer
x = 324,827.02
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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.