Finding the Fourth Proportional to 659,683.20, 988,358.40 and 585,033.60
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Solution
The fourth proportional to 659,683.20, 988,358.40 and 585,033.60 is: 876,515.99
Step by Step Solution
- Step 1: Write the proportion equation
659,683.20 : 988,358.40 = 585,033.60 : x - Step 2: Convert to fraction form
659,683.20/988,358.40 = 585,033.60/x - Step 3: Cross multiply
659,683.20x = 988,358.40 × 585,033.60 - Step 4: Simplify right side
659,683.20x = 578,222,872,842.24 - Step 5: Solve for x
x = 578,222,872,842.24/659,683.20 - Step 6: Final answer
x = 876,515.99
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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.