Finding the Fourth Proportional to 616,928.10, 926,774.55 and 591,737.70
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Solution
The fourth proportional to 616,928.10, 926,774.55 and 591,737.70 is: 888,932.50
Step by Step Solution
- Step 1: Write the proportion equation
616,928.10 : 926,774.55 = 591,737.70 : x - Step 2: Convert to fraction form
616,928.10/926,774.55 = 591,737.70/x - Step 3: Cross multiply
616,928.10x = 926,774.55 × 591,737.70 - Step 4: Simplify right side
616,928.10x = 548,407,440,635.54 - Step 5: Solve for x
x = 548,407,440,635.54/616,928.10 - Step 6: Final answer
x = 888,932.50
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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.