Finding the Fourth Proportional to 558,865.20, 838,297.80 and 444,703.80
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Solution
The fourth proportional to 558,865.20, 838,297.80 and 444,703.80 is: 667,055.70
Step by Step Solution
- Step 1: Write the proportion equation
558,865.20 : 838,297.80 = 444,703.80 : x - Step 2: Convert to fraction form
558,865.20/838,297.80 = 444,703.80/x - Step 3: Cross multiply
558,865.20x = 838,297.80 × 444,703.80 - Step 4: Simplify right side
558,865.20x = 372,794,217,191.64 - Step 5: Solve for x
x = 372,794,217,191.64/558,865.20 - Step 6: Final answer
x = 667,055.70
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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.