Finding the Fourth Proportional to 747,798.70, 1,121,698.05 and 697,607.05
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Solution
The fourth proportional to 747,798.70, 1,121,698.05 and 697,607.05 is: 1,046,410.58
Step by Step Solution
- Step 1: Write the proportion equation
747,798.70 : 1,121,698.05 = 697,607.05 : x - Step 2: Convert to fraction form
747,798.70/1,121,698.05 = 697,607.05/x - Step 3: Cross multiply
747,798.70x = 1,121,698.05 × 697,607.05 - Step 4: Simplify right side
747,798.70x = 782,504,467,651.25 - Step 5: Solve for x
x = 782,504,467,651.25/747,798.70 - Step 6: Final answer
x = 1,046,410.58
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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.