Finding the Fourth Proportional to 725,706.37, 1,087,194.05 and 425,294.58
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Solution
The fourth proportional to 725,706.37, 1,087,194.05 and 425,294.58 is: 637,141.63
Step by Step Solution
- Step 1: Write the proportion equation
725,706.37 : 1,087,194.05 = 425,294.58 : x - Step 2: Convert to fraction form
725,706.37/1,087,194.05 = 425,294.58/x - Step 3: Cross multiply
725,706.37x = 1,087,194.05 × 425,294.58 - Step 4: Simplify right side
725,706.37x = 462,377,736,873.25 - Step 5: Solve for x
x = 462,377,736,873.25/725,706.37 - Step 6: Final answer
x = 637,141.63
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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.