Finding the Fourth Proportional to 706,457.05, 974,953.20 and 416,261.98
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Solution
The fourth proportional to 706,457.05, 974,953.20 and 416,261.98 is: 574,466.56
Step by Step Solution
- Step 1: Write the proportion equation
706,457.05 : 974,953.20 = 416,261.98 : x - Step 2: Convert to fraction form
706,457.05/974,953.20 = 416,261.98/x - Step 3: Cross multiply
706,457.05x = 974,953.20 × 416,261.98 - Step 4: Simplify right side
706,457.05x = 405,835,949,439.34 - Step 5: Solve for x
x = 405,835,949,439.34/706,457.05 - Step 6: Final answer
x = 574,466.56
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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.