Finding the Fourth Proportional to 484,465.74, 667,869.85 and 340,779.84
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Solution
The fourth proportional to 484,465.74, 667,869.85 and 340,779.84 is: 469,788.80
Step by Step Solution
- Step 1: Write the proportion equation
484,465.74 : 667,869.85 = 340,779.84 : x - Step 2: Convert to fraction form
484,465.74/667,869.85 = 340,779.84/x - Step 3: Cross multiply
484,465.74x = 667,869.85 × 340,779.84 - Step 4: Simplify right side
484,465.74x = 227,596,579,771.87 - Step 5: Solve for x
x = 227,596,579,771.87/484,465.74 - Step 6: Final answer
x = 469,788.80
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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.