Finding the Fourth Proportional to 730,106.37, 1,092,495.20 and 430,730.37
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Solution
The fourth proportional to 730,106.37, 1,092,495.20 and 430,730.37 is: 644,523.70
Step by Step Solution
- Step 1: Write the proportion equation
730,106.37 : 1,092,495.20 = 430,730.37 : x - Step 2: Convert to fraction form
730,106.37/1,092,495.20 = 430,730.37/x - Step 3: Cross multiply
730,106.37x = 1,092,495.20 × 430,730.37 - Step 4: Simplify right side
730,106.37x = 470,570,859,565.57 - Step 5: Solve for x
x = 470,570,859,565.57/730,106.37 - Step 6: Final answer
x = 644,523.70
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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.