Finding the Fourth Proportional to 1,470,440.80, 2,205,661.20 and 524,879.20
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Solution
The fourth proportional to 1,470,440.80, 2,205,661.20 and 524,879.20 is: 787,318.80
Step by Step Solution
- Step 1: Write the proportion equation
1,470,440.80 : 2,205,661.20 = 524,879.20 : x - Step 2: Convert to fraction form
1,470,440.80/2,205,661.20 = 524,879.20/x - Step 3: Cross multiply
1,470,440.80x = 2,205,661.20 × 524,879.20 - Step 4: Simplify right side
1,470,440.80x = 1,157,705,686,127.04 - Step 5: Solve for x
x = 1,157,705,686,127.04/1,470,440.80 - Step 6: Final answer
x = 787,318.80
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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.