Finding the Fourth Proportional to 573,258.98, 791,091.68 and 318,604.70
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Solution
The fourth proportional to 573,258.98, 791,091.68 and 318,604.70 is: 439,671.31
Step by Step Solution
- Step 1: Write the proportion equation
573,258.98 : 791,091.68 = 318,604.70 : x - Step 2: Convert to fraction form
573,258.98/791,091.68 = 318,604.70/x - Step 3: Cross multiply
573,258.98x = 791,091.68 × 318,604.70 - Step 4: Simplify right side
573,258.98x = 252,045,527,378.90 - Step 5: Solve for x
x = 252,045,527,378.90/573,258.98 - Step 6: Final answer
x = 439,671.31
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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.