Finding the Fourth Proportional to 936,334.07, 1,292,145.47 and 528,453.09
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Solution
The fourth proportional to 936,334.07, 1,292,145.47 and 528,453.09 is: 729,267.78
Step by Step Solution
- Step 1: Write the proportion equation
936,334.07 : 1,292,145.47 = 528,453.09 : x - Step 2: Convert to fraction form
936,334.07/1,292,145.47 = 528,453.09/x - Step 3: Cross multiply
936,334.07x = 1,292,145.47 × 528,453.09 - Step 4: Simplify right side
936,334.07x = 682,838,263,708.74 - Step 5: Solve for x
x = 682,838,263,708.74/936,334.07 - Step 6: Final answer
x = 729,267.78
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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.