Finding the Fourth Proportional to 893,434.12, 1,340,348.82 and 294,371.08
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Solution
The fourth proportional to 893,434.12, 1,340,348.82 and 294,371.08 is: 441,621.74
Step by Step Solution
- Step 1: Write the proportion equation
893,434.12 : 1,340,348.82 = 294,371.08 : x - Step 2: Convert to fraction form
893,434.12/1,340,348.82 = 294,371.08/x - Step 3: Cross multiply
893,434.12x = 1,340,348.82 × 294,371.08 - Step 4: Simplify right side
893,434.12x = 394,559,929,720.13 - Step 5: Solve for x
x = 394,559,929,720.13/893,434.12 - Step 6: Final answer
x = 441,621.74
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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.