Finding the Fourth Proportional to 1,072,430.42, 1,608,867.20 and 314,296.67
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Solution
The fourth proportional to 1,072,430.42, 1,608,867.20 and 314,296.67 is: 471,509.95
Step by Step Solution
- Step 1: Write the proportion equation
1,072,430.42 : 1,608,867.20 = 314,296.67 : x - Step 2: Convert to fraction form
1,072,430.42/1,608,867.20 = 314,296.67/x - Step 3: Cross multiply
1,072,430.42x = 1,608,867.20 × 314,296.67 - Step 4: Simplify right side
1,072,430.42x = 505,661,608,240.13 - Step 5: Solve for x
x = 505,661,608,240.13/1,072,430.42 - Step 6: Final answer
x = 471,509.95
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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.