Finding the Fourth Proportional to 977,378.40, 1,467,679.84 and 659,572
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Solution
The fourth proportional to 977,378.40, 1,467,679.84 and 659,572 is: 990,446.00
Step by Step Solution
- Step 1: Write the proportion equation
977,378.40 : 1,467,679.84 = 659,572 : x - Step 2: Convert to fraction form
977,378.40/1,467,679.84 = 659,572/x - Step 3: Cross multiply
977,378.40x = 1,467,679.84 × 659,572 - Step 4: Simplify right side
977,378.40x = 968,040,527,428.48 - Step 5: Solve for x
x = 968,040,527,428.48/977,378.40 - Step 6: Final answer
x = 990,446.00
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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.