Finding the Fourth Proportional to 864,848.21, 1,296,534.20 and 611,331.17
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Solution
The fourth proportional to 864,848.21, 1,296,534.20 and 611,331.17 is: 916,475.00
Step by Step Solution
- Step 1: Write the proportion equation
864,848.21 : 1,296,534.20 = 611,331.17 : x - Step 2: Convert to fraction form
864,848.21/1,296,534.20 = 611,331.17/x - Step 3: Cross multiply
864,848.21x = 1,296,534.20 × 611,331.17 - Step 4: Simplify right side
864,848.21x = 792,611,759,891.69 - Step 5: Solve for x
x = 792,611,759,891.69/864,848.21 - Step 6: Final answer
x = 916,475.00
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.