Finding the Fourth Proportional to 965,400.84, 1,448,335.36 and 291,441.90
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Solution
The fourth proportional to 965,400.84, 1,448,335.36 and 291,441.90 is: 437,233.52
Step by Step Solution
- Step 1: Write the proportion equation
965,400.84 : 1,448,335.36 = 291,441.90 : x - Step 2: Convert to fraction form
965,400.84/1,448,335.36 = 291,441.90/x - Step 3: Cross multiply
965,400.84x = 1,448,335.36 × 291,441.90 - Step 4: Simplify right side
965,400.84x = 422,105,609,155.58 - Step 5: Solve for x
x = 422,105,609,155.58/965,400.84 - Step 6: Final answer
x = 437,233.52
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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.