Finding the Fourth Proportional to 936,356.61, 1,292,033.53 and 568,642.53
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Solution
The fourth proportional to 936,356.61, 1,292,033.53 and 568,642.53 is: 784,642.53
Step by Step Solution
- Step 1: Write the proportion equation
936,356.61 : 1,292,033.53 = 568,642.53 : x - Step 2: Convert to fraction form
936,356.61/1,292,033.53 = 568,642.53/x - Step 3: Cross multiply
936,356.61x = 1,292,033.53 × 568,642.53 - Step 4: Simplify right side
936,356.61x = 734,705,213,632.27 - Step 5: Solve for x
x = 734,705,213,632.27/936,356.61 - Step 6: Final answer
x = 784,642.53
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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.