Finding the Fourth Proportional to 651,699.80, 977,549.70 and 440,192.60
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Solution
The fourth proportional to 651,699.80, 977,549.70 and 440,192.60 is: 660,288.90
Step by Step Solution
- Step 1: Write the proportion equation
651,699.80 : 977,549.70 = 440,192.60 : x - Step 2: Convert to fraction form
651,699.80/977,549.70 = 440,192.60/x - Step 3: Cross multiply
651,699.80x = 977,549.70 × 440,192.60 - Step 4: Simplify right side
651,699.80x = 430,310,144,072.22 - Step 5: Solve for x
x = 430,310,144,072.22/651,699.80 - Step 6: Final answer
x = 660,288.90
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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.