Finding the Fourth Proportional to 509,350.11, 702,899.01 and 276,774.99
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Solution
The fourth proportional to 509,350.11, 702,899.01 and 276,774.99 is: 381,947.24
Step by Step Solution
- Step 1: Write the proportion equation
509,350.11 : 702,899.01 = 276,774.99 : x - Step 2: Convert to fraction form
509,350.11/702,899.01 = 276,774.99/x - Step 3: Cross multiply
509,350.11x = 702,899.01 × 276,774.99 - Step 4: Simplify right side
509,350.11x = 194,544,866,463.76 - Step 5: Solve for x
x = 194,544,866,463.76/509,350.11 - Step 6: Final answer
x = 381,947.24
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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.