Finding the Fourth Proportional to 871,554.40, 1,307,406.99 and 240,468.14
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Solution
The fourth proportional to 871,554.40, 1,307,406.99 and 240,468.14 is: 360,723.02
Step by Step Solution
- Step 1: Write the proportion equation
871,554.40 : 1,307,406.99 = 240,468.14 : x - Step 2: Convert to fraction form
871,554.40/1,307,406.99 = 240,468.14/x - Step 3: Cross multiply
871,554.40x = 1,307,406.99 × 240,468.14 - Step 4: Simplify right side
871,554.40x = 314,389,731,278.57 - Step 5: Solve for x
x = 314,389,731,278.57/871,554.40 - Step 6: Final answer
x = 360,723.02
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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.