Finding the Fourth Proportional to 747,362.06, 1,031,381.43 and 407,852.18
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Solution
The fourth proportional to 747,362.06, 1,031,381.43 and 407,852.18 is: 562,847.90
Step by Step Solution
- Step 1: Write the proportion equation
747,362.06 : 1,031,381.43 = 407,852.18 : x - Step 2: Convert to fraction form
747,362.06/1,031,381.43 = 407,852.18/x - Step 3: Cross multiply
747,362.06x = 1,031,381.43 × 407,852.18 - Step 4: Simplify right side
747,362.06x = 420,651,164,637.02 - Step 5: Solve for x
x = 420,651,164,637.02/747,362.06 - Step 6: Final answer
x = 562,847.90
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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.