Finding the Fourth Proportional to 803,389.44, 1,108,676.93 and 440,815.62
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Solution
The fourth proportional to 803,389.44, 1,108,676.93 and 440,815.62 is: 608,325.28
Step by Step Solution
- Step 1: Write the proportion equation
803,389.44 : 1,108,676.93 = 440,815.62 : x - Step 2: Convert to fraction form
803,389.44/1,108,676.93 = 440,815.62/x - Step 3: Cross multiply
803,389.44x = 1,108,676.93 × 440,815.62 - Step 4: Simplify right side
803,389.44x = 488,722,106,073.57 - Step 5: Solve for x
x = 488,722,106,073.57/803,389.44 - Step 6: Final answer
x = 608,325.28
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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.