Finding the Fourth Proportional to 558,988.97, 771,474.51 and 317,349.77
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Solution
The fourth proportional to 558,988.97, 771,474.51 and 317,349.77 is: 437,982.27
Step by Step Solution
- Step 1: Write the proportion equation
558,988.97 : 771,474.51 = 317,349.77 : x - Step 2: Convert to fraction form
558,988.97/771,474.51 = 317,349.77/x - Step 3: Cross multiply
558,988.97x = 771,474.51 × 317,349.77 - Step 4: Simplify right side
558,988.97x = 244,827,254,451.99 - Step 5: Solve for x
x = 244,827,254,451.99/558,988.97 - Step 6: Final answer
x = 437,982.27
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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.