Finding the Fourth Proportional to 663,578.12, 994,358.73 and 486,202.70
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Solution
The fourth proportional to 663,578.12, 994,358.73 and 486,202.70 is: 728,565.16
Step by Step Solution
- Step 1: Write the proportion equation
663,578.12 : 994,358.73 = 486,202.70 : x - Step 2: Convert to fraction form
663,578.12/994,358.73 = 486,202.70/x - Step 3: Cross multiply
663,578.12x = 994,358.73 × 486,202.70 - Step 4: Simplify right side
663,578.12x = 483,459,903,603.73 - Step 5: Solve for x
x = 483,459,903,603.73/663,578.12 - Step 6: Final answer
x = 728,565.16
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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.