Finding the Fourth Proportional to 670,404.26, 924,252.36 and 455,170.70
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Solution
The fourth proportional to 670,404.26, 924,252.36 and 455,170.70 is: 627,520.76
Step by Step Solution
- Step 1: Write the proportion equation
670,404.26 : 924,252.36 = 455,170.70 : x - Step 2: Convert to fraction form
670,404.26/924,252.36 = 455,170.70/x - Step 3: Cross multiply
670,404.26x = 924,252.36 × 455,170.70 - Step 4: Simplify right side
670,404.26x = 420,692,593,677.85 - Step 5: Solve for x
x = 420,692,593,677.85/670,404.26 - Step 6: Final answer
x = 627,520.76
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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.