Finding the Fourth Proportional to 713,028.30, 1,068,822.75 and 446,975.65
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Solution
The fourth proportional to 713,028.30, 1,068,822.75 and 446,975.65 is: 670,012.32
Step by Step Solution
- Step 1: Write the proportion equation
713,028.30 : 1,068,822.75 = 446,975.65 : x - Step 2: Convert to fraction form
713,028.30/1,068,822.75 = 446,975.65/x - Step 3: Cross multiply
713,028.30x = 1,068,822.75 × 446,975.65 - Step 4: Simplify right side
713,028.30x = 477,737,746,428.23 - Step 5: Solve for x
x = 477,737,746,428.23/713,028.30 - Step 6: Final answer
x = 670,012.32
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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.