Finding the Fourth Proportional to 1,226,898.60, 1,840,218.30 and 385,405.80
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Solution
The fourth proportional to 1,226,898.60, 1,840,218.30 and 385,405.80 is: 578,067.99
Step by Step Solution
- Step 1: Write the proportion equation
1,226,898.60 : 1,840,218.30 = 385,405.80 : x - Step 2: Convert to fraction form
1,226,898.60/1,840,218.30 = 385,405.80/x - Step 3: Cross multiply
1,226,898.60x = 1,840,218.30 × 385,405.80 - Step 4: Simplify right side
1,226,898.60x = 709,230,806,086.14 - Step 5: Solve for x
x = 709,230,806,086.14/1,226,898.60 - Step 6: Final answer
x = 578,067.99
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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.