Finding the Fourth Proportional to 509,895.09, 703,710.33 and 318,969.99
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Solution
The fourth proportional to 509,895.09, 703,710.33 and 318,969.99 is: 440,213.06
Step by Step Solution
- Step 1: Write the proportion equation
509,895.09 : 703,710.33 = 318,969.99 : x - Step 2: Convert to fraction form
509,895.09/703,710.33 = 318,969.99/x - Step 3: Cross multiply
509,895.09x = 703,710.33 × 318,969.99 - Step 4: Simplify right side
509,895.09x = 224,462,476,923.00 - Step 5: Solve for x
x = 224,462,476,923.00/509,895.09 - Step 6: Final answer
x = 440,213.06
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.