Finding the Fourth Proportional to 814,594.68, 1,222,785.90 and 647,191.08
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Solution
The fourth proportional to 814,594.68, 1,222,785.90 and 647,191.08 is: 971,496.80
Step by Step Solution
- Step 1: Write the proportion equation
814,594.68 : 1,222,785.90 = 647,191.08 : x - Step 2: Convert to fraction form
814,594.68/1,222,785.90 = 647,191.08/x - Step 3: Cross multiply
814,594.68x = 1,222,785.90 × 647,191.08 - Step 4: Simplify right side
814,594.68x = 791,376,127,229.77 - Step 5: Solve for x
x = 791,376,127,229.77/814,594.68 - Step 6: Final answer
x = 971,496.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.