Finding the Fourth Proportional to 931,991.74, 1,284,598.11 and 659,710.24
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Solution
The fourth proportional to 931,991.74, 1,284,598.11 and 659,710.24 is: 909,302.62
Step by Step Solution
- Step 1: Write the proportion equation
931,991.74 : 1,284,598.11 = 659,710.24 : x - Step 2: Convert to fraction form
931,991.74/1,284,598.11 = 659,710.24/x - Step 3: Cross multiply
931,991.74x = 1,284,598.11 × 659,710.24 - Step 4: Simplify right side
931,991.74x = 847,462,527,451.65 - Step 5: Solve for x
x = 847,462,527,451.65/931,991.74 - Step 6: Final answer
x = 909,302.62
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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.