Finding the Fourth Proportional to 651,750.30, 977,625.45 and 440,243.10
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Solution
The fourth proportional to 651,750.30, 977,625.45 and 440,243.10 is: 660,364.65
Step by Step Solution
- Step 1: Write the proportion equation
651,750.30 : 977,625.45 = 440,243.10 : x - Step 2: Convert to fraction form
651,750.30/977,625.45 = 440,243.10/x - Step 3: Cross multiply
651,750.30x = 977,625.45 × 440,243.10 - Step 4: Simplify right side
651,750.30x = 430,392,858,746.90 - Step 5: Solve for x
x = 430,392,858,746.90/651,750.30 - Step 6: Final answer
x = 660,364.65
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Similar ratio
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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.