Finding the Fourth Proportional to 891,851.36, 1,230,404.49 and 509,673.11
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Solution
The fourth proportional to 891,851.36, 1,230,404.49 and 509,673.11 is: 703,148.65
Step by Step Solution
- Step 1: Write the proportion equation
891,851.36 : 1,230,404.49 = 509,673.11 : x - Step 2: Convert to fraction form
891,851.36/1,230,404.49 = 509,673.11/x - Step 3: Cross multiply
891,851.36x = 1,230,404.49 × 509,673.11 - Step 4: Simplify right side
891,851.36x = 627,104,076,824.24 - Step 5: Solve for x
x = 627,104,076,824.24/891,851.36 - Step 6: Final answer
x = 703,148.65
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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.