Finding the Fourth Proportional to 776,220.84, 1,164,380.40 and 243,762.84
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Solution
The fourth proportional to 776,220.84, 1,164,380.40 and 243,762.84 is: 365,659.69
Step by Step Solution
- Step 1: Write the proportion equation
776,220.84 : 1,164,380.40 = 243,762.84 : x - Step 2: Convert to fraction form
776,220.84/1,164,380.40 = 243,762.84/x - Step 3: Cross multiply
776,220.84x = 1,164,380.40 × 243,762.84 - Step 4: Simplify right side
776,220.84x = 283,832,673,144.34 - Step 5: Solve for x
x = 283,832,673,144.34/776,220.84 - Step 6: Final answer
x = 365,659.69
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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.