Finding the Fourth Proportional to 859,563.10, 1,287,572.73 and 503,497.63
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Solution
The fourth proportional to 859,563.10, 1,287,572.73 and 503,497.63 is: 754,208.53
Step by Step Solution
- Step 1: Write the proportion equation
859,563.10 : 1,287,572.73 = 503,497.63 : x - Step 2: Convert to fraction form
859,563.10/1,287,572.73 = 503,497.63/x - Step 3: Cross multiply
859,563.10x = 1,287,572.73 × 503,497.63 - Step 4: Simplify right side
859,563.10x = 648,289,818,007.63 - Step 5: Solve for x
x = 648,289,818,007.63/859,563.10 - Step 6: Final answer
x = 754,208.53
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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.