Finding the Fourth Proportional to 953,795.84, 1,430,915.04 and 279,849.92
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Solution
The fourth proportional to 953,795.84, 1,430,915.04 and 279,849.92 is: 419,839.80
Step by Step Solution
- Step 1: Write the proportion equation
953,795.84 : 1,430,915.04 = 279,849.92 : x - Step 2: Convert to fraction form
953,795.84/1,430,915.04 = 279,849.92/x - Step 3: Cross multiply
953,795.84x = 1,430,915.04 × 279,849.92 - Step 4: Simplify right side
953,795.84x = 400,441,459,470.80 - Step 5: Solve for x
x = 400,441,459,470.80/953,795.84 - Step 6: Final answer
x = 419,839.80
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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.