Finding the Fourth Proportional to 730,106.12, 1,092,494.80 and 430,730.12
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Solution
The fourth proportional to 730,106.12, 1,092,494.80 and 430,730.12 is: 644,523.31
Step by Step Solution
- Step 1: Write the proportion equation
730,106.12 : 1,092,494.80 = 430,730.12 : x - Step 2: Convert to fraction form
730,106.12/1,092,494.80 = 430,730.12/x - Step 3: Cross multiply
730,106.12x = 1,092,494.80 × 430,730.12 - Step 4: Simplify right side
730,106.12x = 470,570,416,303.38 - Step 5: Solve for x
x = 470,570,416,303.38/730,106.12 - Step 6: Final answer
x = 644,523.31
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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.