Finding the Fourth Proportional to 612,261.07, 844,923.35 and 340,354.19
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Solution
The fourth proportional to 612,261.07, 844,923.35 and 340,354.19 is: 469,690.49
Step by Step Solution
- Step 1: Write the proportion equation
612,261.07 : 844,923.35 = 340,354.19 : x - Step 2: Convert to fraction form
612,261.07/844,923.35 = 340,354.19/x - Step 3: Cross multiply
612,261.07x = 844,923.35 × 340,354.19 - Step 4: Simplify right side
612,261.07x = 287,573,202,401.34 - Step 5: Solve for x
x = 287,573,202,401.34/612,261.07 - Step 6: Final answer
x = 469,690.49
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1.5x scale
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.