Finding the Fourth Proportional to 586,382.90, 878,537.55 and 520,027.70
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Solution
The fourth proportional to 586,382.90, 878,537.55 and 520,027.70 is: 779,122.07
Step by Step Solution
- Step 1: Write the proportion equation
586,382.90 : 878,537.55 = 520,027.70 : x - Step 2: Convert to fraction form
586,382.90/878,537.55 = 520,027.70/x - Step 3: Cross multiply
586,382.90x = 878,537.55 × 520,027.70 - Step 4: Simplify right side
586,382.90x = 456,863,861,490.14 - Step 5: Solve for x
x = 456,863,861,490.14/586,382.90 - Step 6: Final answer
x = 779,122.07
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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.