Finding the Fourth Proportional to 750,414.12, 1,125,355.50 and 276,972.36
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Solution
The fourth proportional to 750,414.12, 1,125,355.50 and 276,972.36 is: 415,360.48
Step by Step Solution
- Step 1: Write the proportion equation
750,414.12 : 1,125,355.50 = 276,972.36 : x - Step 2: Convert to fraction form
750,414.12/1,125,355.50 = 276,972.36/x - Step 3: Cross multiply
750,414.12x = 1,125,355.50 × 276,972.36 - Step 4: Simplify right side
750,414.12x = 311,692,368,673.98 - Step 5: Solve for x
x = 311,692,368,673.98/750,414.12 - Step 6: Final answer
x = 415,360.48
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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.