Finding the Fourth Proportional to 922,241.53, 1,272,661.92 and 508,794.80
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Solution
The fourth proportional to 922,241.53, 1,272,661.92 and 508,794.80 is: 702,119.50
Step by Step Solution
- Step 1: Write the proportion equation
922,241.53 : 1,272,661.92 = 508,794.80 : x - Step 2: Convert to fraction form
922,241.53/1,272,661.92 = 508,794.80/x - Step 3: Cross multiply
922,241.53x = 1,272,661.92 × 508,794.80 - Step 4: Simplify right side
922,241.53x = 647,523,760,690.71 - Step 5: Solve for x
x = 647,523,760,690.71/922,241.53 - Step 6: Final answer
x = 702,119.50
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1.5x scale
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.