Finding the Fourth Proportional to 548,675.70, 823,013.55 and 455,363.70
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Solution
The fourth proportional to 548,675.70, 823,013.55 and 455,363.70 is: 683,045.55
Step by Step Solution
- Step 1: Write the proportion equation
548,675.70 : 823,013.55 = 455,363.70 : x - Step 2: Convert to fraction form
548,675.70/823,013.55 = 455,363.70/x - Step 3: Cross multiply
548,675.70x = 823,013.55 × 455,363.70 - Step 4: Simplify right side
548,675.70x = 374,770,495,278.14 - Step 5: Solve for x
x = 374,770,495,278.14/548,675.70 - Step 6: Final answer
x = 683,045.55
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1.5x scale
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.