Finding the Fourth Proportional to 646,883.40, 970,325.10 and 292,297.80
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Solution
The fourth proportional to 646,883.40, 970,325.10 and 292,297.80 is: 438,446.70
Step by Step Solution
- Step 1: Write the proportion equation
646,883.40 : 970,325.10 = 292,297.80 : x - Step 2: Convert to fraction form
646,883.40/970,325.10 = 292,297.80/x - Step 3: Cross multiply
646,883.40x = 970,325.10 × 292,297.80 - Step 4: Simplify right side
646,883.40x = 283,623,892,014.78 - Step 5: Solve for x
x = 283,623,892,014.78/646,883.40 - Step 6: Final answer
x = 438,446.70
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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.