Finding the Fourth Proportional to 762,488.44, 1,052,281.74 and 440,257.48
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Solution
The fourth proportional to 762,488.44, 1,052,281.74 and 440,257.48 is: 607,582.86
Step by Step Solution
- Step 1: Write the proportion equation
762,488.44 : 1,052,281.74 = 440,257.48 : x - Step 2: Convert to fraction form
762,488.44/1,052,281.74 = 440,257.48/x - Step 3: Cross multiply
762,488.44x = 1,052,281.74 × 440,257.48 - Step 4: Simplify right side
762,488.44x = 463,274,907,102.42 - Step 5: Solve for x
x = 463,274,907,102.42/762,488.44 - Step 6: Final answer
x = 607,582.86
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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.