Finding the Fourth Proportional to 658,461.57, 908,676.99 and 356,655.57
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Solution
The fourth proportional to 658,461.57, 908,676.99 and 356,655.57 is: 492,184.70
Step by Step Solution
- Step 1: Write the proportion equation
658,461.57 : 908,676.99 = 356,655.57 : x - Step 2: Convert to fraction form
658,461.57/908,676.99 = 356,655.57/x - Step 3: Cross multiply
658,461.57x = 908,676.99 × 356,655.57 - Step 4: Simplify right side
658,461.57x = 324,084,705,270.95 - Step 5: Solve for x
x = 324,084,705,270.95/658,461.57 - Step 6: Final answer
x = 492,184.70
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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.