Finding the Fourth Proportional to 936,544.91, 1,292,431.88 and 506,825.06
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Solution
The fourth proportional to 936,544.91, 1,292,431.88 and 506,825.06 is: 699,418.53
Step by Step Solution
- Step 1: Write the proportion equation
936,544.91 : 1,292,431.88 = 506,825.06 : x - Step 2: Convert to fraction form
936,544.91/1,292,431.88 = 506,825.06/x - Step 3: Cross multiply
936,544.91x = 1,292,431.88 × 506,825.06 - Step 4: Simplify right side
936,544.91x = 655,036,856,130.63 - Step 5: Solve for x
x = 655,036,856,130.63/936,544.91 - Step 6: Final answer
x = 699,418.53
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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.