Finding the Fourth Proportional to 747,301.11, 1,031,300.42 and 407,787.99
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Solution
The fourth proportional to 747,301.11, 1,031,300.42 and 407,787.99 is: 562,761.00
Step by Step Solution
- Step 1: Write the proportion equation
747,301.11 : 1,031,300.42 = 407,787.99 : x - Step 2: Convert to fraction form
747,301.11/1,031,300.42 = 407,787.99/x - Step 3: Cross multiply
747,301.11x = 1,031,300.42 × 407,787.99 - Step 4: Simplify right side
747,301.11x = 420,551,923,319.02 - Step 5: Solve for x
x = 420,551,923,319.02/747,301.11 - Step 6: Final answer
x = 562,761.00
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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.