Finding the Fourth Proportional to 923,890.38, 1,275,357.42 and 561,430.68
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Solution
The fourth proportional to 923,890.38, 1,275,357.42 and 561,430.68 is: 775,010.54
Step by Step Solution
- Step 1: Write the proportion equation
923,890.38 : 1,275,357.42 = 561,430.68 : x - Step 2: Convert to fraction form
923,890.38/1,275,357.42 = 561,430.68/x - Step 3: Cross multiply
923,890.38x = 1,275,357.42 × 561,430.68 - Step 4: Simplify right side
923,890.38x = 716,024,783,553.65 - Step 5: Solve for x
x = 716,024,783,553.65/923,890.38 - Step 6: Final answer
x = 775,010.54
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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.