Finding the Fourth Proportional to 606,946.70, 910,420.05 and 291,241.10
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Solution
The fourth proportional to 606,946.70, 910,420.05 and 291,241.10 is: 436,861.65
Step by Step Solution
- Step 1: Write the proportion equation
606,946.70 : 910,420.05 = 291,241.10 : x - Step 2: Convert to fraction form
606,946.70/910,420.05 = 291,241.10/x - Step 3: Cross multiply
606,946.70x = 910,420.05 × 291,241.10 - Step 4: Simplify right side
606,946.70x = 265,151,736,824.06 - Step 5: Solve for x
x = 265,151,736,824.06/606,946.70 - Step 6: Final answer
x = 436,861.65
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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.