Finding the Fourth Proportional to 1,492,914.24, 2,239,371.36 and 495,642.24
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Solution
The fourth proportional to 1,492,914.24, 2,239,371.36 and 495,642.24 is: 743,463.36
Step by Step Solution
- Step 1: Write the proportion equation
1,492,914.24 : 2,239,371.36 = 495,642.24 : x - Step 2: Convert to fraction form
1,492,914.24/2,239,371.36 = 495,642.24/x - Step 3: Cross multiply
1,492,914.24x = 2,239,371.36 × 495,642.24 - Step 4: Simplify right side
1,492,914.24x = 1,109,927,037,062.25 - Step 5: Solve for x
x = 1,109,927,037,062.25/1,492,914.24 - Step 6: Final answer
x = 743,463.36
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.