Finding the Fourth Proportional to 818,652.21, 1,226,620.76 and 497,833.63
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Solution
The fourth proportional to 818,652.21, 1,226,620.76 and 497,833.63 is: 745,924.89
Step by Step Solution
- Step 1: Write the proportion equation
818,652.21 : 1,226,620.76 = 497,833.63 : x - Step 2: Convert to fraction form
818,652.21/1,226,620.76 = 497,833.63/x - Step 3: Cross multiply
818,652.21x = 1,226,620.76 × 497,833.63 - Step 4: Simplify right side
818,652.21x = 610,653,063,162.35 - Step 5: Solve for x
x = 610,653,063,162.35/818,652.21 - Step 6: Final answer
x = 745,924.89
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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.