Finding the Fourth Proportional to 798,666.12, 1,102,203.87 and 436,123.62
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Solution
The fourth proportional to 798,666.12, 1,102,203.87 and 436,123.62 is: 601,874.96
Step by Step Solution
- Step 1: Write the proportion equation
798,666.12 : 1,102,203.87 = 436,123.62 : x - Step 2: Convert to fraction form
798,666.12/1,102,203.87 = 436,123.62/x - Step 3: Cross multiply
798,666.12x = 1,102,203.87 × 436,123.62 - Step 4: Simplify right side
798,666.12x = 480,697,141,762.41 - Step 5: Solve for x
x = 480,697,141,762.41/798,666.12 - Step 6: Final answer
x = 601,874.96
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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.