Finding the Fourth Proportional to 717,937.68, 1,077,157.08 and 479,007.12
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Solution
The fourth proportional to 717,937.68, 1,077,157.08 and 479,007.12 is: 718,677.85
Step by Step Solution
- Step 1: Write the proportion equation
717,937.68 : 1,077,157.08 = 479,007.12 : x - Step 2: Convert to fraction form
717,937.68/1,077,157.08 = 479,007.12/x - Step 3: Cross multiply
717,937.68x = 1,077,157.08 × 479,007.12 - Step 4: Simplify right side
717,937.68x = 515,965,910,678.41 - Step 5: Solve for x
x = 515,965,910,678.41/717,937.68 - Step 6: Final answer
x = 718,677.85
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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.