Finding the Fourth Proportional to 616,239.75, 850,454.86 and 340,591.67
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Solution
The fourth proportional to 616,239.75, 850,454.86 and 340,591.67 is: 470,040.83
Step by Step Solution
- Step 1: Write the proportion equation
616,239.75 : 850,454.86 = 340,591.67 : x - Step 2: Convert to fraction form
616,239.75/850,454.86 = 340,591.67/x - Step 3: Cross multiply
616,239.75x = 850,454.86 × 340,591.67 - Step 4: Simplify right side
616,239.75x = 289,657,839,324.06 - Step 5: Solve for x
x = 289,657,839,324.06/616,239.75 - Step 6: Final answer
x = 470,040.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.