Finding the Fourth Proportional to 972,377.43, 1,458,721.67 and 411,416.79
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Solution
The fourth proportional to 972,377.43, 1,458,721.67 and 411,416.79 is: 617,190.99
Step by Step Solution
- Step 1: Write the proportion equation
972,377.43 : 1,458,721.67 = 411,416.79 : x - Step 2: Convert to fraction form
972,377.43/1,458,721.67 = 411,416.79/x - Step 3: Cross multiply
972,377.43x = 1,458,721.67 × 411,416.79 - Step 4: Simplify right side
972,377.43x = 600,142,586,974.84 - Step 5: Solve for x
x = 600,142,586,974.84/972,377.43 - Step 6: Final answer
x = 617,190.99
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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.