Finding the Fourth Proportional to 712,363.24, 1,068,187.74 and 397,037.80
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Solution
The fourth proportional to 712,363.24, 1,068,187.74 and 397,037.80 is: 595,357.66
Step by Step Solution
- Step 1: Write the proportion equation
712,363.24 : 1,068,187.74 = 397,037.80 : x - Step 2: Convert to fraction form
712,363.24/1,068,187.74 = 397,037.80/x - Step 3: Cross multiply
712,363.24x = 1,068,187.74 × 397,037.80 - Step 4: Simplify right side
712,363.24x = 424,110,910,276.57 - Step 5: Solve for x
x = 424,110,910,276.57/712,363.24 - Step 6: Final answer
x = 595,357.66
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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.