Finding the Fourth Proportional to 800,994.14, 1,105,907.05 and 474,412.17
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Solution
The fourth proportional to 800,994.14, 1,105,907.05 and 474,412.17 is: 655,005.74
Step by Step Solution
- Step 1: Write the proportion equation
800,994.14 : 1,105,907.05 = 474,412.17 : x - Step 2: Convert to fraction form
800,994.14/1,105,907.05 = 474,412.17/x - Step 3: Cross multiply
800,994.14x = 1,105,907.05 × 474,412.17 - Step 4: Simplify right side
800,994.14x = 524,655,763,408.80 - Step 5: Solve for x
x = 524,655,763,408.80/800,994.14 - Step 6: Final answer
x = 655,005.74
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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.