Finding the Fourth Proportional to 710,053.29, 979,910.26 and 434,324.70
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Solution
The fourth proportional to 710,053.29, 979,910.26 and 434,324.70 is: 599,390.55
Step by Step Solution
- Step 1: Write the proportion equation
710,053.29 : 979,910.26 = 434,324.70 : x - Step 2: Convert to fraction form
710,053.29/979,910.26 = 434,324.70/x - Step 3: Cross multiply
710,053.29x = 979,910.26 × 434,324.70 - Step 4: Simplify right side
710,053.29x = 425,599,228,615.61 - Step 5: Solve for x
x = 425,599,228,615.61/710,053.29 - Step 6: Final answer
x = 599,390.55
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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.