Finding the Fourth Proportional to 586,187.70, 879,281.55 and 546,821.70
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Solution
The fourth proportional to 586,187.70, 879,281.55 and 546,821.70 is: 820,232.55
Step by Step Solution
- Step 1: Write the proportion equation
586,187.70 : 879,281.55 = 546,821.70 : x - Step 2: Convert to fraction form
586,187.70/879,281.55 = 546,821.70/x - Step 3: Cross multiply
586,187.70x = 879,281.55 × 546,821.70 - Step 4: Simplify right side
586,187.70x = 480,810,231,949.64 - Step 5: Solve for x
x = 480,810,231,949.64/586,187.70 - Step 6: Final answer
x = 820,232.55
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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.