Finding the Fourth Proportional to 1,288,860.05, 1,933,289.76 and 329,317.44
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Solution
The fourth proportional to 1,288,860.05, 1,933,289.76 and 329,317.44 is: 493,976.08
Step by Step Solution
- Step 1: Write the proportion equation
1,288,860.05 : 1,933,289.76 = 329,317.44 : x - Step 2: Convert to fraction form
1,288,860.05/1,933,289.76 = 329,317.44/x - Step 3: Cross multiply
1,288,860.05x = 1,933,289.76 × 329,317.44 - Step 4: Simplify right side
1,288,860.05x = 636,666,034,541.41 - Step 5: Solve for x
x = 636,666,034,541.41/1,288,860.05 - Step 6: Final answer
x = 493,976.08
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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.