Finding the Fourth Proportional to 782,802.18, 1,080,267.17 and 476,878.55
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Solution
The fourth proportional to 782,802.18, 1,080,267.17 and 476,878.55 is: 658,092.49
Step by Step Solution
- Step 1: Write the proportion equation
782,802.18 : 1,080,267.17 = 476,878.55 : x - Step 2: Convert to fraction form
782,802.18/1,080,267.17 = 476,878.55/x - Step 3: Cross multiply
782,802.18x = 1,080,267.17 × 476,878.55 - Step 4: Simplify right side
782,802.18x = 515,156,233,856.48 - Step 5: Solve for x
x = 515,156,233,856.48/782,802.18 - Step 6: Final answer
x = 658,092.49
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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.