Finding the Fourth Proportional to 858,263.75, 1,287,619.99 and 498,088.37
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Solution
The fourth proportional to 858,263.75, 1,287,619.99 and 498,088.37 is: 747,262.75
Step by Step Solution
- Step 1: Write the proportion equation
858,263.75 : 1,287,619.99 = 498,088.37 : x - Step 2: Convert to fraction form
858,263.75/1,287,619.99 = 498,088.37/x - Step 3: Cross multiply
858,263.75x = 1,287,619.99 × 498,088.37 - Step 4: Simplify right side
858,263.75x = 641,348,536,899.23 - Step 5: Solve for x
x = 641,348,536,899.23/858,263.75 - Step 6: Final answer
x = 747,262.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.