Finding the Fourth Proportional to 936,315.33, 1,292,105.97 and 506,586.03
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Solution
The fourth proportional to 936,315.33, 1,292,105.97 and 506,586.03 is: 699,083.75
Step by Step Solution
- Step 1: Write the proportion equation
936,315.33 : 1,292,105.97 = 506,586.03 : x - Step 2: Convert to fraction form
936,315.33/1,292,105.97 = 506,586.03/x - Step 3: Cross multiply
936,315.33x = 1,292,105.97 × 506,586.03 - Step 4: Simplify right side
936,315.33x = 654,562,833,681.60 - Step 5: Solve for x
x = 654,562,833,681.60/936,315.33 - Step 6: Final answer
x = 699,083.75
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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.