Finding the Fourth Proportional to 970,375.98, 1,339,128.13 and 534,809.13
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Solution
The fourth proportional to 970,375.98, 1,339,128.13 and 534,809.13 is: 738,041.71
Step by Step Solution
- Step 1: Write the proportion equation
970,375.98 : 1,339,128.13 = 534,809.13 : x - Step 2: Convert to fraction form
970,375.98/1,339,128.13 = 534,809.13/x - Step 3: Cross multiply
970,375.98x = 1,339,128.13 × 534,809.13 - Step 4: Simplify right side
970,375.98x = 716,177,950,163.83 - Step 5: Solve for x
x = 716,177,950,163.83/970,375.98 - Step 6: Final answer
x = 738,041.71
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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.