Finding the Fourth Proportional to 548,723.60, 824,467.80 and 349,139.60
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Solution
The fourth proportional to 548,723.60, 824,467.80 and 349,139.60 is: 524,588.99
Step by Step Solution
- Step 1: Write the proportion equation
548,723.60 : 824,467.80 = 349,139.60 : x - Step 2: Convert to fraction form
548,723.60/824,467.80 = 349,139.60/x - Step 3: Cross multiply
548,723.60x = 824,467.80 × 349,139.60 - Step 4: Simplify right side
548,723.60x = 287,854,357,904.88 - Step 5: Solve for x
x = 287,854,357,904.88/548,723.60 - Step 6: Final answer
x = 524,588.99
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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.