Finding the Fourth Proportional to 990,858.13, 1,484,352.26 and 470,793.23
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Solution
The fourth proportional to 990,858.13, 1,484,352.26 and 470,793.23 is: 705,270.48
Step by Step Solution
- Step 1: Write the proportion equation
990,858.13 : 1,484,352.26 = 470,793.23 : x - Step 2: Convert to fraction form
990,858.13/1,484,352.26 = 470,793.23/x - Step 3: Cross multiply
990,858.13x = 1,484,352.26 × 470,793.23 - Step 4: Simplify right side
990,858.13x = 698,822,993,060.07 - Step 5: Solve for x
x = 698,822,993,060.07/990,858.13 - Step 6: Final answer
x = 705,270.48
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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.