Finding the Fourth Proportional to 761,614.14, 1,051,020.98 and 417,469.18
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Solution
The fourth proportional to 761,614.14, 1,051,020.98 and 417,469.18 is: 576,103.89
Step by Step Solution
- Step 1: Write the proportion equation
761,614.14 : 1,051,020.98 = 417,469.18 : x - Step 2: Convert to fraction form
761,614.14/1,051,020.98 = 417,469.18/x - Step 3: Cross multiply
761,614.14x = 1,051,020.98 × 417,469.18 - Step 4: Simplify right side
761,614.14x = 438,768,866,683.40 - Step 5: Solve for x
x = 438,768,866,683.40/761,614.14 - Step 6: Final answer
x = 576,103.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.