Finding the Fourth Proportional to 634,923.18, 876,204.68 and 348,469.92
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Solution
The fourth proportional to 634,923.18, 876,204.68 and 348,469.92 is: 480,894.35
Step by Step Solution
- Step 1: Write the proportion equation
634,923.18 : 876,204.68 = 348,469.92 : x - Step 2: Convert to fraction form
634,923.18/876,204.68 = 348,469.92/x - Step 3: Cross multiply
634,923.18x = 876,204.68 × 348,469.92 - Step 4: Simplify right side
634,923.18x = 305,330,973,000.88 - Step 5: Solve for x
x = 305,330,973,000.88/634,923.18 - Step 6: Final answer
x = 480,894.35
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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.