Finding the Fourth Proportional to 847,402.14, 1,169,130.36 and 479,829
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Solution
The fourth proportional to 847,402.14, 1,169,130.36 and 479,829 is: 662,002.87
Step by Step Solution
- Step 1: Write the proportion equation
847,402.14 : 1,169,130.36 = 479,829 : x - Step 2: Convert to fraction form
847,402.14/1,169,130.36 = 479,829/x - Step 3: Cross multiply
847,402.14x = 1,169,130.36 × 479,829 - Step 4: Simplify right side
847,402.14x = 560,982,651,508.44 - Step 5: Solve for x
x = 560,982,651,508.44/847,402.14 - Step 6: Final answer
x = 662,002.87
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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.