Finding the Fourth Proportional to 550,364.70, 768,851.70 and 550,364.70
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Solution
The fourth proportional to 550,364.70, 768,851.70 and 550,364.70 is: 768,851.70
Step by Step Solution
- Step 1: Write the proportion equation
550,364.70 : 768,851.70 = 550,364.70 : x - Step 2: Convert to fraction form
550,364.70/768,851.70 = 550,364.70/x - Step 3: Cross multiply
550,364.70x = 768,851.70 × 550,364.70 - Step 4: Simplify right side
550,364.70x = 423,148,835,214.99 - Step 5: Solve for x
x = 423,148,835,214.99/550,364.70 - Step 6: Final answer
x = 768,851.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.