Finding the Fourth Proportional to 936,273.60, 1,292,052.33 and 528,507.99
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Solution
The fourth proportional to 936,273.60, 1,292,052.33 and 528,507.99 is: 729,338.07
Step by Step Solution
- Step 1: Write the proportion equation
936,273.60 : 1,292,052.33 = 528,507.99 : x - Step 2: Convert to fraction form
936,273.60/1,292,052.33 = 528,507.99/x - Step 3: Cross multiply
936,273.60x = 1,292,052.33 × 528,507.99 - Step 4: Simplify right side
936,273.60x = 682,859,979,903.12 - Step 5: Solve for x
x = 682,859,979,903.12/936,273.60 - Step 6: Final answer
x = 729,338.07
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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.