Finding the Fourth Proportional to 808,126.74, 1,115,213.40 and 445,548.06
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Solution
The fourth proportional to 808,126.74, 1,115,213.40 and 445,548.06 is: 614,855.50
Step by Step Solution
- Step 1: Write the proportion equation
808,126.74 : 1,115,213.40 = 445,548.06 : x - Step 2: Convert to fraction form
808,126.74/1,115,213.40 = 445,548.06/x - Step 3: Cross multiply
808,126.74x = 1,115,213.40 × 445,548.06 - Step 4: Simplify right side
808,126.74x = 496,881,166,856.00 - Step 5: Solve for x
x = 496,881,166,856.00/808,126.74 - Step 6: Final answer
x = 614,855.50
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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.