Finding the Fourth Proportional to 558,873.20, 838,309.80 and 444,711.80
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Solution
The fourth proportional to 558,873.20, 838,309.80 and 444,711.80 is: 667,067.70
Step by Step Solution
- Step 1: Write the proportion equation
558,873.20 : 838,309.80 = 444,711.80 : x - Step 2: Convert to fraction form
558,873.20/838,309.80 = 444,711.80/x - Step 3: Cross multiply
558,873.20x = 838,309.80 × 444,711.80 - Step 4: Simplify right side
558,873.20x = 372,806,260,115.64 - Step 5: Solve for x
x = 372,806,260,115.64/558,873.20 - Step 6: Final answer
x = 667,067.70
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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.