Finding the Fourth Proportional to 747,735.01, 1,031,869.06 and 408,203.26
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Solution
The fourth proportional to 747,735.01, 1,031,869.06 and 408,203.26 is: 563,317.63
Step by Step Solution
- Step 1: Write the proportion equation
747,735.01 : 1,031,869.06 = 408,203.26 : x - Step 2: Convert to fraction form
747,735.01/1,031,869.06 = 408,203.26/x - Step 3: Cross multiply
747,735.01x = 1,031,869.06 × 408,203.26 - Step 4: Simplify right side
747,735.01x = 421,212,310,584.96 - Step 5: Solve for x
x = 421,212,310,584.96/747,735.01 - Step 6: Final answer
x = 563,317.63
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1.5x scale
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.