Finding the Fourth Proportional to 750,426.87, 1,125,299.92 and 323,760.94
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Solution
The fourth proportional to 750,426.87, 1,125,299.92 and 323,760.94 is: 485,494.56
Step by Step Solution
- Step 1: Write the proportion equation
750,426.87 : 1,125,299.92 = 323,760.94 : x - Step 2: Convert to fraction form
750,426.87/1,125,299.92 = 323,760.94/x - Step 3: Cross multiply
750,426.87x = 1,125,299.92 × 323,760.94 - Step 4: Simplify right side
750,426.87x = 364,328,159,881.13 - Step 5: Solve for x
x = 364,328,159,881.13/750,426.87 - Step 6: Final answer
x = 485,494.56
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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.