Finding the Fourth Proportional to 756,202.84, 1,134,637.88 and 401,129.82
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Solution
The fourth proportional to 756,202.84, 1,134,637.88 and 401,129.82 is: 601,871.70
Step by Step Solution
- Step 1: Write the proportion equation
756,202.84 : 1,134,637.88 = 401,129.82 : x - Step 2: Convert to fraction form
756,202.84/1,134,637.88 = 401,129.82/x - Step 3: Cross multiply
756,202.84x = 1,134,637.88 × 401,129.82 - Step 4: Simplify right side
756,202.84x = 455,137,086,563.93 - Step 5: Solve for x
x = 455,137,086,563.93/756,202.84 - Step 6: Final answer
x = 601,871.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.