Finding the Fourth Proportional to 748,104.28, 1,032,390.50 and 425,835.12
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Solution
The fourth proportional to 748,104.28, 1,032,390.50 and 425,835.12 is: 587,656.21
Step by Step Solution
- Step 1: Write the proportion equation
748,104.28 : 1,032,390.50 = 425,835.12 : x - Step 2: Convert to fraction form
748,104.28/1,032,390.50 = 425,835.12/x - Step 3: Cross multiply
748,104.28x = 1,032,390.50 × 425,835.12 - Step 4: Simplify right side
748,104.28x = 439,628,125,163.23 - Step 5: Solve for x
x = 439,628,125,163.23/748,104.28 - Step 6: Final answer
x = 587,656.21
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.